In cation exchange reaction, how many grams of K+ will replace 2 meq of Ca2+ if K+ has a atomic weight of 39, valence of 1.

Q: Vanillic acid is the oxidized phenolic derivative of vanillin. By using Proton Nuclear Magnetic Reso...

A: Proton Nuclear Magnetic Resonance is the technique used to determine the type and number of hydrogen...

Q: Find the activity coefficient of Cu2+ using the Mean Salt Method. (HINT: Start by solving for the ac...

A:

Q: 1. What is the percent by mass of 5.0 g of iron (1I) sulfate dissolved in 75.0 g of water?

A:

Q: the equilibrium constant Keq of a reaction was found to be equal to 105.0 x 10-2 at 25 deg. C. What ...

A:

Q: A typical antacid tablet contains 0.50g of calcium carbonate. The chemical equation for the neutrali...

A:

Q: Acetone (b.p 560c) and ethanol (b.p. = 78°C) can best be separated by simple distillation. Select th...

A: Simple distillation technique is based on boiling point difference of components of mixture.

Q: 6. What is the molarity of a solution containing 325 g of NaCl dissolved in 750 mL of solution?

A: given, mass of NaCl = 325 g molar mass of NaCl = 58.44 g/mol volume of solution = 750 mL = 0.750 L

Q: When 3 moles of Fe2O3(s) react with H2(g) to form Fe3O4(s) and H2O(g) according to the following equ...

A: The energy difference of the products and reactants is known as the energy change of a reaction.

Q: Calculate the fınal temperature after 415 J of heat is added to 123.0g of magnesium at 22.2 °C? The ...

A: Let us solve the question.

Q: Fill in the blanks: Safe distillation is promoted by using that prevent bumping during heating. It i...

A: Distillation is a process of purification where liquid is converted to vapour and the vapours are th...

Q: 2 1 m= 1 kg R= 0.50 2 Cy = 0.5 kJ/kg K Process path (straight line) P 1 V =1 m3 P= 300 kPa V= 0.5 m3...

A:

Q: Complete the balanced molecular reaction for the following weak acid with a strong base: HNO2(aq) + ...

A: Acid reacts with a base to form salt and water. This reaction is known as neutralisation reaction.

Q: What is the value of Ksp for Cr(OH)3 if the molar solubility for chromium (III) hydroxide was determ...

A: Ksp is the product of concentration of ions of sparingly soluble salt in water.

Q: What is/are the principle/s involved on ACIDIMETRIC ASSAY BY DOUBLE INDICATOR TITRATION?

A: Titration is a common laboratory method of quantitative chemical analysis to determine the concentra...

Q: In the filtration step, the product is washed with "two 4 ml portions of ice-cold water". Explain wh...

A: Filtration is a type of physical separation method. In this method usually solids are separated from...

Q: Give order of bond polarity of the given compounds and explanation of the Solution- CH4, CO2, O2, C...

A:

Q: Label each substituent as an ortho, Para, or meta director. COOCH3 NHCOCH3 CH3

A:

Q: A mixture of three components is separated using paper chromatography, and each component is analyze...

A: Given: Absorbance of standard solution- Compound A = 0.72 Compound B = 0.55 Compound C = 0.80 For un...

Q: Which are true for paper chromatography? Select the correct response(s): the more polar component wi...

A:

Q: The compound you will be investigating in this experiment is the ionic salt barium nitrate, Ba(NO3)...

A:

Q: 7. a) A solution was prepared by dissolving 0.02 moles ethanoic acid in water to give 1 L of solutio...

A: Given :-  a) Moles of ethanoic acid, CH3COOH = 0.02 mol  Volume of solution = 1 L  pH of ethanoic a...

Q: CH3 CHз SH CH3 SH CH3CH2CHSH CH3CCH2CHCH2CHCH3 CH3 b. а. с.

A:

Q: 4. For the following reaction 2SO2(2) + O2(2) → 2SO3(2) The equilibrium concentrations at 27°C are [...

A:

Q: I Review | Constants | Periodic Tab Consider the reaction Part A A + 2B C What is the rate law for t...

A:

Q: How much mL of Acetone is needed to make 100mL of an aqueous 30% (v/v) Acetone solution? How much mL...

A: Given,  Volume of the solution = 100 mL  Volume percent of acetone = 30% How much mL of Acetone is n...

Q: An electrom is in df orbilal bawhat Possible for different quantermy com it have ? Values

A: An atomic orbital is the wave function of an electron, probability of finding an electron. An electr...

Q: Outcome 9- Bridge Assignment 1 Products of/Reagents for Redox Reactions 1) Many reduction reactions ...

A: Organic reaction mechanisms:   As per our guideline we have to answer first three questions only.

Q: Find the M, m, and N when 5.40 grams of (NH4)2SO4 is dissolved in 950.0mL of water.

A: Given:-  Mass of (NH4)2SO4 is 5.40g Volume of water is 950.0mL We have to calculate M,m and N

Q: Chris wants to study an organometal complex that was synthesized as shown below. Cr3+ + 2salen = Cr(...

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...

Q: 2. Draw the Lowis structure and name the following ionic compounds: 1) TISE 2) Cu,o 3) VPs 4) Co(CIO...

A: Given:- We have to draw the lewis structures of following compounds. 

Q: Reduction potntial Voits Galvanic Ecell vut s Anode Cathode (urs) -Zocs): Pbrs)- 2ncssi Ag(s) -2n cs...

A:

Q: Gravimetric Analysis: Determination of Chloride Ion in Sodium Chloride Salt Mass of Unknown Sample= ...

A: Mass of Unknown  Sample= 0.4567 g Mass of filter paper= 1.0023 g Mass of watch glass=22.8795 g Mass ...

Q: Which of the statements below are TRUE regarding the mean and standard deviation? I.    As the numb...

A: Given:- Which of the statements below are TRUE regarding the mean and standard deviation?

Q: find slope and intercept values log(v) log(p)

A:   log P versus log V plot is arrived from Boyle's law  PV = constant log P + log V = log K log P =- ...

Q: Compute for the molarity (M), molality (m) and normality (N ) of the following solutions. a. 2.50 g...

A: Given,  Compute for the molarity (M), molality (m) and normality (N ) of the following solutions. If...

Q: In this peptide the amino terminus is the amino acid Cys-Ala-Gly-Arg-Gln-Met a.arg b.Сys c.gln d.met...

A: Please find your solution below : Amino acids are the building blocks of proteins. These are the org...

Q: 7. If 3.25 g of Mg(OH)2 can dissolve in 155 mL of water as it makes a saturated solutions, determine...

A: The mass of dissolved magnesium hydroxide is = 3.25 g The volume of the solution is = 155 mL The mol...

Q: Draw an energy level diagram for the orbitals involved in the lowest energy charge transfer transiti...

A: In the complex ZrMe2(SePh)2, zirconium (Zr), is the central metal ion. Zirconium has the following p...

Q: plz answer both questions I'll upvote

A: A solution was prepared by dissolving 0.02 moles of Ethanoic acid (HOAc; pKa = 4.8) in water to give...

Q: . What is the osmotic pressure of a solution if 1.50 grams of BaCl₂ has been mixed in a 200mL of 0.5...

A:

Q: cite literature that gravimetric analysis is used to test the purity of squash soup product

A: As demand is increasing for the popular products in the market makers and manufacturers are using un...

Q: Statement 1: Multiple extraction using small portions of the solvent is less effective a single extr...

A:

Q: Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropria...

A: Given salt-- LiNO3

Q: Vacuum distillation lowers the boiling point of a high-boiling point liquid because of reduced atmos...

A: Boiling initiates when an applied or the atmospheric pressure is equal to the vapour pressure of the...

Q: I. Carbon dioxide at 60°C and 34 atm is a real gas. Determine your specific volume using: a. Beattie...

A: Ideal gas regulation: As indicated by Ideal gas regulation, explicit volume, v = RT/PM where, R = ga...

Q: A sample of a crude grade of sodium hydroxide is sent to a laboratory to be tested for sodium hydrox...

A:

Q: I Review | Constants | Periodic Table A decomposition reaction, with a rate that is observed to slow...

A: Given : Half life depends on initial concentration of reactant.

Q: Sulfation roasting of 1 g of ZnS at elevated temperature. Suppose the final product weighs 1.2 grams...

A:

Q: In an aldol condensation reaction, what is the difference if we use an ethanolic or aqueous NaOH sol...

A:

Q: Direction: Fill in the blank to complete the sentences: Choose the answer from the word pool: Solute...

A: A homogeneous mixture of two or more substances is known as a solution. The species which present in...