Question

. In a decomposition reaction Carbonic acid forms Carbon dioxide and water H2CO3  H2O + CO2 Calculate the mass of CO2 formed when 31gm of carbonic acid is decomposed.

Answer 1

69 gram is the answer...... ok mark me as brainlist

Answer 2

Given - Decomposition reaction - H2CO3 -> H2O + CO2

Mass of carbonic acid - 31 gram.

Find - Mass of carbon dioxide

Solution - One mole of carbonic acid decomposes to give 1 mole of carbon dioxide.

Number of moles carbonic acid available - weight/molecular weight

Number of moles carbonic acid available - 31/62

Number of moles carbonic acid available - 0.5 mole.

0.5 mole of carbonic acid will give 0.5 mole of carbon dioxide.

Weight of carbon dioxide formed - number of moles*molecular weight.

Weight of carbon dioxide formed - 0.5*44

Weight of carbon dioxide formed - 22 gm.

Hence, 22 gram of carbon dioxide is formed.