Question

1.An aqueous solution of hydrobromic acid is standardized by titration with a 0.113 M solution of barium hydroxide.

If 20.6 mL of base are required to neutralize 19.9 mL of the acid, what is the molarity of the hydrobromic acid solution?

____M hydrobromic acid

2. An aqueous solution of barium hydroxide is standardized by titration with a 0.196 M solution of nitric acid.

If 27.0 mL of base are required to neutralize 15.3 mL of the acid, what is the molarity of the barium hydroxide solution?

____M barium hydroxide

3. For the following reaction, 12.1 grams of carbon monoxide are allowed to react with 5.04 grams of oxygen gas.

carbon monoxide (g) + oxygen (g)  carbon dioxide (g)

What is the maximum amount of carbon dioxide 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, 5.00 grams of butane (C₄H₁₀) are allowed to react with 22.7 grams of oxygen gas.

butane (C₄H₁₀) (g) + oxygen (g) carbon dioxide (g) + water (g)

What is the maximum amount of carbon dioxide 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