# Stoichiometry Question Preview (ID: 33699)

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Basic Stoichiometry, Molar Mass, And Percent Composition.[print questions]

**How many grams are in 1.00 mole of Li?**

a) 6.02 x 10^23

b) 3 g

c) 6.94 g

d) 6.94 mole

**The molar mass of C14H14O3 is?**

a) 96

b) 230

c) 115

d) 342

**6.02 X 10^23 is:**

a) Avogadro's Number

b) The number of particles in 1 mole of anything

c) A counting unit

d) All of the above

**How many grams are in 1.50x10^23 atoms As?**

a) 0.25 g

b) 1.50 x 10^23 g

c) 18.66 g/mol

d) 18.66 g

**How many moles are represented by 40.1 g Ca?**

a) 1

b) 6.02 x 10^23

c) 0.5

d) 2

**How many atoms are in 5.0 moles of silver?**

a) 3.0 x 10^24 atoms

b) 3 x 10^24 atoms

c) 1.2 x 10^24 atoms

d) 3.0 x 10^24 molecules

**How many moles are in 0.56 grams of potassium?**

a) 0.014

b) 22

c) 0.028

d) 21.9

**The molar mass of Ba(OH)2 is**

a) 154.3 g

b) 155.3 g

c) 171.3 g

d) 308.6 g

**What is the percent composition by mass of nitrogen in NH4NO3?**

a) 17.5%

b) 35.0%

c) 52.5%

d) 60.0%

**The gram formula mass of NH4Cl is**

a) 22.4 g/mol

b) 28.0 g/mo

c) 53.5 g/mol

d) 95.5 g/mol

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