Mass-mass Stoichiometry Quiz

Converting from gram A to gram B, the middle step is to

• Convert from mole A to mole B

• Convert from mole B to gram B

• Convert from gram A to mole A

Converting from gram A to gram B, the first step is to

• Convert from mole A to mole B

• Convert from mole B to gram B

• Convert from gram A to mole A

Given the following equation:

2Al + 6HCl → 2AlCl₃ + 3H₂

If 3.00 grams of H₂ were produced, how many grams of Al reacted?

• 108.0 g

• 60.8 g

• 26.7 g

• 0.33 g

Use the following equation:

3Pb(NO₃)₂ + 2(NH₄)₃PO₄ --> Pb₃(PO₄)₂ + 6NH₄NO₃

If you are solving for the mass of ammonium nitrate and you are given the mass of ammonium phosphate what is the correct mole ratio to use in your set up?

2Na + 2H₂O → 2NaOH+ H₂

How many grams of hydrogen are produced if 120 g of Na are available?

• 5.3 g

• 2.6 g

• 690 g

• 45 g

2 NaCl + Pb(NO₃)₂ --> 2 NaNO₃ + PbCl₂

How many grams of lead (II) chloride can be formed from 32.5 g sodium chloride?

g

f

e

d

2 mol PbCl2

2 mol NaCl

1 mol NaCl

278.10 g PbCl2

1 mol PbCl2

58.44 g NaCl

163.85 g PbCl2