Chemical Quantities and Chemical Composition 1. How many atoms are in 15 moles of sodium? 2....

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Question

Chemical Quantities and Chemical Composition

1. How many atoms are in 15 moles of sodium?

2. How many moles are in 2.1 x 10^22 molecules of H2SO4?

3. How many atoms are in 7.22 moles of gold?

4. How many atoms are in 90.43 of Xenon?

5. How many grams do 1.96 x 10^24 atoms of sodium weight?

6. Calculate the molar mass of AgNO3.

7. Calculate the molar mass of Fe2O3.

8. Calculate the molar mass of CaCO3

9. Calculate the molecular weights of each compound: a.) NaOH b.) H2O c.) MgCl2 d.) H3PO4 e.) Mn2Se7 f.) (NH4)2SO4

Thank you so much.

Answer 1

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