TEMISTRY 4) Barium hydroxide reacts with sulfuric acid. a) Write the balanced eq

Question

TEMISTRY 4) Barium hydroxide reacts with sulfuric acid. a) Write the balanced equation for the reaction. STOICHIOMETRY WORKSHEET b) What mass of barium hydroxide is needed to completely react with 9.58 g of sulfuric acid? c) Classify this reaction as single or double displacement, decomposition, synthesis, or combustion. 5) The actual amount of product produced in a reaction is 33.13 g, although a mass-mass calculation predicted 46.87 g. What is the percentage yield of this product'? 6) Hydrogen burns in oxygen according to the following reaction: 2H20 What is the percentage yield if 9.28 g of oxygen react with hydrogen to produc 8.81 g of water?

Explanation / Answer

Part a

The balanced reaction

Ba(OH)2 + H2SO4 ------> 2H2O + BaSO4

Barium hydroxide + sulfuric acid = water + barium sulfate

b) from the stoichiometry of the reaction

1 mol of H2SO4 reacts with = 1 mol of Ba(OH)2

98 g of H2SO4 reacts with = 171 g of Ba(OH)2

9.58 g of H2SO4 reacts with = 171*9.58/98

= 16.716 g of Ba(OH)2

c) double displacement

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