A. Calculations involving chemical formulas and equations. Analyze and provide complete solutions to the following problems: 1. What are the masses of 3 mol of Al atoms and of 2 mol of Cl atoms? 2. Calculate the molar mass of each of the following: a. (NH4)3PO4 b. CH2CI2 CuSO4-5H2O d. BRF3 C. 3. Calculate each of the following quantities: a. Mass in kg of 4.6 x 10 21 molecules of NO2 b. Amount in mol of Cl atoms in 0.0615g of C2H4C12 Total number of ions in 5.82 g of SrH2 Mass in mg of 2.88 x 10 22 formula units of Bi(NO3)3'5H2O e. Mass % of I in strontium periodate C. d. 4. Given 85.5 g of propane, compute for the moles of the said compound and grams of carbon. 5. What is the empirical formula and the empirical formula mass for each of the following compounds: a. C4H8 b. C3H6O3 P4010 с.

A. Calculations involving chemical formulas and equations. Analyze and provide complete solutions to the following problems: 1. What are the masses of 3 mol of Al atoms and of 2 mol of Cl atoms? 2. Calculate the molar mass of each of the following: a. (NH4)3PO4 b. CH2CI2 CuSO4-5H2O d. BRF3 C. 3. Calculate each of the following quantities: a. Mass in kg of 4.6 x 10 21 molecules of NO2 b. Amount in mol of Cl atoms in 0.0615g of C2H4C12 Total number of ions in 5.82 g of SrH2 Mass in mg of 2.88 x 10 22 formula units of Bi(NO3)3'5H2O e. Mass % of I in strontium periodate C. d. 4. Given 85.5 g of propane, compute for the moles of the said compound and grams of carbon. 5. What is the empirical formula and the empirical formula mass for each of the following compounds: a. C4H8 b. C3H6O3 P4010 с.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.

Question

A. Calculations involving chemical formulas and equations. Analyze and provide complete solutions to the following
problems:
1. What are the masses of 3 mol of AlI atoms and of 2 mol of Cl atoms?
2. Calculate the molar mass of each of the following:
а. (NHa)3PО4
b. CH2CI2
c. CUSO45H2O
d. BRF3
3. Calculate each of the following quantities:
a. Mass in kg of 4.6 x 10 21 molecules of NO2
b. Amount in mol of Cl atoms in 0.0615g of C2H4C12
Total number of ions in 5.82 g of SrH2
d. Mass in mg of 2.88 x 10 22 formula units of Bi(NO3)3'5H2O
e. Mass % of I in strontium periodate
С.
4. Given 85.5 g of propane, compute for the moles of the said compound and grams of carbon.
5. What is the empirical formula and the empirical formula mass for each of the following compounds:
a. C4H8
b. C3H6O3
С. РАО10

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