15. How much calcium chloride would you dissolve in 250 mL to make 120 ppm primary standard solution of Ca2+ ion? (molar mass of Ca is 40 g/mol and the molar mass of CaCl2 is 111 g/mol) a. 83.3 mg b. 20.6 mg C. 15.0 mg d. 17.6 mg

15. How much calcium chloride would you dissolve in 250 mL to make 120 ppm primary standard solution of Ca2+ ion? (molar mass of Ca is 40 g/mol and the molar mass of CaCl2 is 111 g/mol) a. 83.3 mg b. 20.6 mg C. 15.0 mg d. 17.6 mg

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter16: Reaction Rates

Section: Chapter Questions

Problem 5STP

See similar textbooks

Related questions

Q: IV. Draw chemical structures and equations to show how the following transformation below may be…

A: Benzene undergoes nitration in the presence of strong acids like to form nitrobenzene.Nitrobenzene…

Q: Draw the Lewis Structures for COS and CO2. Then, answer the following questions related to the…

Q: IA Cancel RESET Done A weak monoprotic acid HX is 1.5 % ionized in a 0.25 M solution of the acid.…

A: Final answer is given in explanation please see from there.Explanation:Approach to solving the…

Q: Which of the following set of quantum numbers (ordered n, l, me, ms) are possible for an electron in…

A: Quantum numbers are used to describe the position of an electron in an atom.We have been asked the…

Q: A solution with a volume of 1.00 L is 0.550 M in CH3COOH(aq) and 0.450 M in CH3COONa(aq). What will…

A: Answer:Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: What type of reaction is being shown here? TsO NH3 O SN1 E2 OE1 None of these choices are correct.…

A: NH3 is a good nucleophile along with a base. Hence it can make either eliminated or substituted…

Q: Kead each description in the first column of the table below. If any chemical element with atomic…

A: The question is based on the concept of periodic table.we have to identify whether element exist for…

Q: Molecule and its Lewis Structure Steric Number, VSEPR Geometry, and Hybridization Bond Length and…

Q: 3. Show two different ways you would make this alcohol via a Grignard reagent, beginning each time…

A: Grignard reagent when reacts with ketone produces tertiary alcohol.

Q: For the diprotic weak acid H₂A, Ka₁ = 2.4 × 10-6 and Ka2 = 8.0 × 10-9. What is the pH of a 0.0700 M…

A: Given,Molarity of H2A = 0.0700 Mfor H2A: Ka1 = 2.4 x 10-6 MKa2 = 8.0 x 10-9 M

Q: The Conductivity of 0.20 M solution of KCI at 298 K is 0.0248 Scm³. Calculate its molar conductivity

Q: What is the product of CH₂OH H-C-OH HO-C-H H-C-OH H-C-OH CH₂OH COOH H-C-OH HO-C-H H-C-OH H-C-OH…

A: We have to choose the correct option.

Q: Identify the correct reagent for the second step in the following process. 1) NaOEt EtO OEt 2) ? HO…

A: Alpha-H of carboxylated derivatives is acidic and in presence of a base there is formation of…

Q: Name this alcohol according to the IUPAC system. Include stereochemistry. CH3 OH

A: Given,The molecule is:

Q: In a voltaic cell, there exists a Fe/Fe2+ half-cell and a Sn/Sn2+ half-cell at a temperature of…

A: Answer:Voltaic cell is a type of electrochemical cell that converts chemical energy into electrical…

Q: A sample of steel (0.1005 g) was dissolved in acid and the solution made up to 100 cm³ with…

A: %Cr (w/w)=7.0607%Explanation:The weight percentage of Cr can be calculated by using the…

Q: Hydrazine, N2H4, is used as a rocket fuel, but also as a reactant in organic chemistry. The K of…

Q: Please don't provide handwriting solutions.....

A: The objective of the question is to classify the given monosaccharide based on its structure and the…

Q: || Cancel RESET Done As revealed in the screencast, the autionization of water is…

A: Kw = 2.56×10-14Explanation:The physiological temperature is at 37C. Thus, the value of Kw at the…

Q: Draw the mechanism, including all the curved arrows, for each step of the following reaction:…

A: To draw the mechanism for the given transformations

Q: Section 5. For a different reaction, the plot of the natural log of concentration versus time in…

A: The objective of the question is to determine the order, rate law, integrated rate law of a reaction…

Q: Question 3 Write the mechanism for the following reaction and identify the major product if the…

A: Given that, the reaction is:

Q: Provide an IUPAC name for the compound below.

A: The actual compound looks like --One carbon in the cyclohexane ring is chiral and one carbon-carbon…

Q: What is the major organic product obtained from the following reaction? CO,CH3 об CO₂CH3 ཚིག་བདག…

A: The Diels–Alder reaction is a chemical reaction that occurs between a conjugated diene and an…

Q: When copper metal is added to nitric acid, the following reaction takes place Cu (s) + 4 HNO, (aq) →…

Q: Calculate pH of a weak base/conjugate acid buffer solution. A 0.186-M aqueous solution of C6H5NH2…

A: For 0.186 M C6H5NH2pH = 9.07pOH = 14 - 9.07 = 4.93-log (OH-) = 4.93[OH-] = 10-4.93 = 1.17 × 10-5…

Q: Pseudogoutis caused by the formation of calcium diphosphate (Ca2P2O7) crystals in tendons, cartilage…

A: The minimum concentration of diphosphate necessary for precipitation: [P2O74-] = 1.63x10-7 mol/L or…

Q: 5) Which of the following compounds is aromatic? B C H D

Q: 5) Which of the choices is an enantiomer of the compound shown? H ...I יווון H Ill

Q: Draw the mechanism, including all the curved arrows, for each step of the following reaction:…

A: To draw the mechanism for the given transformations

Q: 3. Propose an efficient synthesis for the following transformation Hint: the most efficient…

A: The objective of this question is to write the efficient synthesis of the given reaction.

Q: Find the pH of a 1*10-3 M Na2HPO4 . Use the following value:Ka1=7.11*10-3 ,Ka2=6,3*10-8 , and…

A: The objective of this question is to calculate the pH of a 1*10^-3 M Na2HPO4 solution using the…

Q: Which one is aromatic one bond Ile) one compte

A: Conditions for aromaticityCyclic structurePlanar structure should form ring current Follow huckel…

Q: many grams of solid potassium hypobromite, KBrO must be added to 500.0 ml of 0.500M hypobromous acid…

A: Volume = 500 mL Molarity of HOBr = 0.500 M pH = 8.80 We have to find The gram of KBrO is

Q: Calculate AG for the following reaction at 25 °C. C2H4(g) + 302(g) →>> 2CO2(g) + 2H2O (1) Round your…

A: The objective of this question is to calculate the Gibbs free energy change (ΔG) for the given…

Q: Identify and show all the symmetry elements and provide the point group for the following…

A: To find point group and symmetry elements present.

Q: Determine the molecular formula for the compound with the empirical formula P203 if the molar mass…

A: Empirical formula of compound is simplest formula of compound

Q: a) PhCOOH b) c) 요 PhCOOH Ts DO (H3CO2P ✓✓ OCH3 |0

A: First two reactions are Baeyer-Viliger reactions and the second two reactions are Wittire…

Q: Calculate the standard entropy change for the following reaction at 25.0 °C. Round your answer to 4…

A: We have to calculate the standard entropy change for the following reaction at 25°C.2 Al(s) + 3…

Q: What is the relationship between the parent structure on the left and the structure on the right? a…

A: Answer:Compounds with same molecular formula but different structural formulas are called…

Q: HO H HO H C HO HO V/! H , כול HO | H C HO-> HO HO H /! ! H₂C

A: The carbohydrate that can react with Tollens reagent ( Ammoniacal Silver nitrate solution) , Fehling…

Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A: Here the reaction is a proton transfer reaction between the given base (water) and acid…

Q: how many atoms are in 54.2 grams of silver?

A: 3.02×1023 atomsExplanation:

Q: (E)-1,3,5-hexatriene B D Multiple Select Question Select all that apply Select all of the following…

A: It refers to the compounds having the same molecular formula, and bonding of atoms but differing in…

Q: Give correct detailed Solution with explanation needed of all sub parts....don't give Handwritten…

A: Since you have posted a question with multiple sub-parts, we will provide the solution only for the…

Q: Calculate pH for a strong acid/strong base titration. Determine the pH during the titration of 23.2…

Q: What is the relationship between the parent structure on the left and the structure on the right? A:…

A: Constitutional isomers :- The isomers of a compound which have same molecular formula but differ in…

Q: E) Choose the more acidic member of the following pair of isomers. Justify your answer. HO. I H Of…

A: Acidic strength of Hydrogen atom in a compound directly proprortional to its conjugate base…

Q: Which structure(s) will have an odd-numbered molecular ion? ☐ ☐ H2N- ΝΗ 'NH2 Ν :0: Ν

A: Molecular ions are created when electrons are added or removed from neutral molecules. A molecular…

Q: A 5.00 gram orange juice sample containing citric acid is titrated with 47.8 mL of 0.121 M (moles…

A: Citric acid contains three -COOH groups. so 1 mole citric acid reacts with 3 mole KOH for…

Question

15. How much calcium chloride would you dissolve
in 250 mL to make 120 ppm primary standard
solution of Ca2+ ion? (molar mass of Ca is 40
g/mol and the molar mass of CaCl2 is 111 g/mol)
a. 83.3 mg
b. 20.6 mg
C.
15.0 mg
d.
17.6 mg

AI-Generated Solution

AI-generated content may present inaccurate or offensive content that does not represent bartleby’s views.

Unlock instant AI solutions

Tap the button
to generate a solution

Click the button to generate
a solution

SEE SOLUTION

Similar questions

. Why does the amount of excess solid solute present in a solution not affect the amount of solute that ultimately dissolves in a given amount of solvent?
Calcium carbonate, CaCO3, can be obtained in a very pure state. Standard solutions of calcium ion are usually prepared by dissolving calcium carbonate in acid. What mass of CaCO3 should be taken to prepare 500. mL of 0.0200 M calcium ion solution?
Some lithium chloride, LiCl, is dissolved in 100 mL of water in one beaker, and some Li2SO4 is dissolved in 100 mL of water in another beaker. Both are at 10 C, and both are saturated solutions; some solid remains undissolved in each beaker. Describe what you would observe as the temperature is raised. The following data are available to you from a handbook of chemistry:
Graph Table 14.10 shows solubility data that was collectedin an experiment. Plot a graph of the molarity ofKI versus temperature. What is the solubility of KI at55°C?
Refer to Figure 13.10 ( Sec. 13-4b) to answer these questions. (a) Does a saturated solution occur when 65.0 g LiCl is present in 100 g H2O at 40 C? Explain your answer. (b) Consider a solution that contains 95.0 g LiCl in 100 g H2O at 40 C. Is the solution unsaturated, saturated, or supersaturated? Explain your answer. (c) Consider a solution that contains 50. g Li2SO4 in 200. g H2O at 50 C. Is this solution unsaturated, saturated, or supersaturated? Explain your answer. Figure 13.10 Solubility of ionic compounds versus temperature.
A compound has a solubility in water of 250 mg/L at 25C. Should this compound be characterized as a soluble or insoluble compound at 25C?
95. Many metal ions form insoluble sulfide compounds when a solution of the metal ion is treated with hydrogen sulfide gas. For example, nickel(II) precipitates nearly quantitatively as NiS when H2S gas is bubbled through a nickel ion solution. How many milliliters of gaseous H2S at STP are needed to precipitate all (he nickel ion present in 10. mL of 0.050 M NiCl2 solution?
6-103 A swimming pool containing 20,000. L of water is chlorinated to have a final CI2 concentration of 0.00500 M. What is the CI2 concentration in ppm? How many kilograms of CI2 were added to the swimming pool to reach this concentration?