Limited Reaction

3NH₄NO₃ + Na₃PO₄ --> (NH₄)₃PO₄ + 3 NaNO₃

Assuming we start with 30 g of NH4NO3 and 50 g of Na3PO4, identify the limiting reactant.

• ammonium phosphate

• sodium phosphate

• ammonium nitrate

• sodium nitrate

Tags

NGSS.HS-PS1-7

3NH₄NO₃ + Na₃PO₄ --> (NH₄)₃PO₄ + 3 NaNO₃

What is the maximum amount of each product that can be formed?

• 18.6 g of ammonium phosphate, 31.9 of sodium nitrate

• 54 g of ammonium phosphate, 31.9 of sodium nitrate

• 32.4 g of ammonium nitrate, 76 g of sodium phosphate

• 21 g of ammonium nitrate, 34 g of sodium phosphate

Tags

NGSS.HS-PS1-7

3NH₄NO₃ + Na₃PO₄ --> (NH₄)₃PO₄ + 3 NaNO₃

How much of the excess reagent is left over after the reaction is complete?

• 12 g of sodium phosphate

• 29.5 g of sodium phosphate

• 17 g of ammonium nitrate

• 95 g of ammonium phosphate

Tags

NGSS.HS-PS1-7

3CaCO₃ + 2FePO₄ --> Ca₃(PO₄)₂ + Fe₂(CO₃)₃

Assuming we start with 100 g of CaCo3 and 45 g of FePO4, identify the limiting reagent.

• iron(V) phosphate

• calcium carbonate

• iron(III) phosphate

• calcium(II) carbonate

Tags

NGSS.HS-PS1-7

3CaCO₃ + 2FePO₄ --> Ca₃(PO₄)₂ + Fe₂(CO₃)₃

What is the maximum amount of each product that can be formed?

• 85 g of calcium carbonate, 39 g of iron(III) phosphate

• 12.4 g of calcium phosphate, 27 g of iron(III) carbonate

• 37.2 g of calcium phosphate, 29.3 g of iron(III) carbonate

• 46.3 g of calcium phosphate, 43.8 g of iron(III) carbonate

Tags

NGSS.HS-PS1-7

3CaCO₃ + 2FePO₄ --> Ca₃(PO₄)₂ + Fe₂(CO₃)₃

How much of the excess reagent is left over after the reaction is complete?

• 57.3 g of sodium phosphate

• 54.0 g of calcium carbonate

• 25 g of calcium carbonate

• 16.9 g of iron(III) carbonate

Tags

NGSS.HS-PS1-7

CuCl₂ + 2NaNO₃ --> Cu(NO₃)₂ + 2NaCl

If 15.0 grams of CuCl2 react with 20 g of NaNO3, how much NaCl can be formed?

• 13.0 g of NaCl

• 98 g of NaCl

• 26 g of NaCl

• 17.4 of NaCl

Tags

NGSS.HS-PS1-7

CuCl₂ + 2NaNO₃ --> Cu(NO₃)₂ + 2NaCl

Which one is the limiting reactant?

• copper(II) chloride

• copper(III) chloride

• sodium nitrate

• sodium(I) nitrate

CuCl₂ + 2NaNO₃ --> Cu(NO₃)₂ + 2NaCl

How much of the excess reactant is left over in this reaction?

• 0.9 g of sodium nitrate

• 34 g of sodium nitrate

• 16 g of copper(II) chloride

• 16 g of sodium nitrate

Tags

NGSS.HS-PS1-7

CuCl₂ + 2NaNO₃ --> Cu(NO₃)₂ + 2NaCl

If 11.3 g of NaCl are formed in the reaction, what is the percent yield of the reaction?

• 21.7%

• 68%

• 86.9%

• 99.99%