Question

1. For the following reaction, 0.408 moles of potassium hydroxide are mixed with 0.490 moles of phosphoric acid.

What is the formula for the limiting reagent?

What is the maximum amount of potassium phosphate that can be produced?

____ moles

2. For the following reaction, 0.543 moles of nitrogen gas are mixed with 0.390 moles of oxygen gas.

What is the formula for the limiting reagent?

What is the maximum amount of nitrogen monoxide that can be produced?

____ moles

3. For the following reaction, 28.4 grams of hydrochloric acid are allowed to react with 70.8 grams of barium hydroxide.

hydrochloric acid (aq) + barium hydroxide (aq) barium chloride (aq) + water (l)

What is the maximum amount of barium chloride that can be formed? ___ grams

What is the FORMULA for the limiting reagent?

____

What amount of the excess reagent remains after the reaction is complete? ____grams

4. For the following reaction, 26.3 grams of zinc oxide are allowed to react with 9.99 grams of water.

zinc oxide (s) + water (l)  zinc hydroxide (aq)

What is the maximum amount of zinc hydroxide that can be formed? ___ grams

What is the FORMULA for the limiting reagent?

What amount of the excess reagent remains after the reaction is complete? ____ grams