QUESTION 26The molar mass of an element is used to convert between mass and moles of a substance. What number and unit would you place in the blank space of this particular setup?20.18 mol Ne39.95 mole Ne20.18 g Ne39.95 g Ne(1.45 mol Ne) (1 mol Ne

20.18 g NeExplanation:The answer is 20.18 g Ne. Here's the step-by-step solution:Identify the molar…

Answered: QUESTION 26 The molar mass of an…

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter7: Chemical Formula Relationships

Section: Chapter Questions

Problem 25E: Questions 23 to 26: Find the number of moles for each mass of substance given. a 0.797g potassium...

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Which of the following are true of molar mass? Mark ALL that apply. Group of answer choices Molar mass is 6.022 x 1023 g/mol. Molar mass is the mass of 1 mole of an element. Units on molar mass are g/mol. Molar mass can be found on the Periodic Table. Units on molar mass are amu.
A cvg.cengagenow.com [References] Use the References to access important values if ne A compound is found to contain 21.95 % sulfur and 78.03 % fluorine by mass. To answer the question, enter the elements in the order presented above. QUESTION 1: The empirical formula for this compound is Not Visited me molar mass for this compound is 146.1 g/mol. The molecular formula for this compound is Submit Answer Try Another Version 1 item attempt remaining Cengage Learning | Cengage Technical Support 290 15 MAY tv 6. 00
Question 1 A sample of iron ore consisting of Fe,O; has a mass of 79.846 g. How many moles of Fe;O3 are there in this sample? Mm Fe:O3 = 159.691 g mol" a) 0.5 mol b) 2.0 mol c) 79.846 mol d) 159.691 x10 mol
Question 3.c of 10 For each of the following drugs, determine the mass of compound present for the given moles of each compound. The chemical formula for the antidepressant fluoxetine is C17H18F3NO. What is the mass in grams of fluoxetine that are in 0.0551 moles?
Examine the pie graph below. What is the molar mass of compound X? Mass Contributions to 3.0 mol of Compound X by Various Elements 117.30 K (grams) H(grams) C (grams) O (grams) 15.15 288.00 144.12 a. 1693.71 g b. 554.57 g c. 367.38 g d. 188.19 g e. 110.25 g
QUESTION#1 TOPIC: CALCULATING AND USING THE MOLAR MASS OF DIATOMIC ELEMENTS A chemist determines by measurements that 0.065 moles of bromine liquid participate in a chemical reaction. Calculate the mass of bromine liquid that participates. Round your answer to 2 significant digits. ? g
QUESTION 5 The simulation (as well as the full-lecture notes) indicated the difference between atomic mass and molar mass. The notes indicated amu or atomic mass unit which Gizmos calls "u". They are the same thing. The molar mass is the mass of the mole of substance which is grams/mole. Match the following below. Answers may be used once, more than once or not at all. You should have your periodic table handy. 4 Molar mass of carbon Atomic mass of carbon ✓ Molar mass of manganese, Mn Atomic mass of manganese, Mn ✓ Atomic mass of flourine, F ✓ Molar mass of chromium, Cr A. 54.9g/mole B. 52.0 amu C. 54.9 amu D. 19.0g/mole E. 52.0g/mole F. 19.0 amu G. 12.0amu H. 12.0g/mole
Question 1: Select the best answer for the following questions? 1. Number of ions in 0.5 mole of Hg2Cl2 is equal to: A. 1.2x1024 B. 9.3x1023 C. 3.01x1023 D. 6.02 x1023 2. Mass of one sodium atom equal: A. 23 amu В. 3.8 х1023 С. 3.8 х1023 D. A and C are true 3. The density of chemical substances is classified as property: А. Intensive B. Extensive physical C. Chemical D. Intensive and chemical physical 4. When AGNO3 dissolved in water is an example on А. Chemical B. Physical Property C. Physical Change D. Chemical Property Change 5. Describe the accuracy and precision of the image: A. Accurate and B. Precise and not C. Accurate and D. Not accurate neither accurate. Precise. precise. not Precise. 6. Which is the product of these numbers, to the appropriate number of significant digits? (013.012 X 21.30) + (32. 15 – 25.063) 7.12 A.45.49 В.46.0 C.45.5 D. 46.01 7. Which of the structures shown below represent isotopes? 235 238 Y 234 234 w 92 92 93 92 A. Z and W B. X and Y C. X and Z D. X, Y…
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Chemistry Vocabulary WORD WALL percent composition the percent, BY MASS, of all elements in a compound % by mass= mass of element mass of compound * 100% CARBON 57.838% 79.887% 27.293% 40.002% Percent Composition DIVIDE EACH ELEMENT MASS BY THE TOTAL MOLAR MASS HYDROGEN 3.6405% 20.113% 6.7142% OXYGEN 38.521% COLL 72.711% 53.284% Empirical Formula C₂H₂O₂ CH₂ CO₂ CH₂0 Molecular Formula C₂H₂O₁ C₂H CO₂ C₂H₁₂O Calculation for the percent composition of C4H₂O₂: CALCULATE TOTAL MOLAR MASS
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QUESTION 26 The molar mass of an element is used to convert between mass and moles of a substance. What number and unit would you place in the blank space of this particular setup? 20.18 mol Ne 39.95 mole Ne 20.18 g Ne 39.95 g Ne (1.45 mol Ne) (1 mol Ne