Question

A sample of 9.05 g of solid calcium hydroxide is added to 40.0 mL of 0.360 M aqueous hydrochloric acid. Write the balanced chemical equation for the reaction. Physical states are optional. chemical equation: What is the limiting reactant? O calcium hydroxide hydrochloric acid How many grams of salt are formed after the reaction is complete? mass of salt: How many grams of the excess reactant remain after the reaction is complete? excess reactant remaining:

Answer 1

Mass of No. Calcium hydroxide (Ca (OH)2) = 9.050 Moles of'ca Cow. - 9.05 -0.122 Miles 0 + 74 moler Mass of Ca Collh=74 Moles of Had - Malarity x Volume (L) - 00360 mx 60 x10%) of HCl = 0.014 moles Moles RY" 2 H C laust Ca (OH), CaCl2 + 2 H₂O Imole of Ca (OH)₂ to reacts with 00/22 Mole roles of Hea Reacts with So we don't have enough HCl of Ca (OH)2. so... * Hydrochloric acid is limiting reactang. 2 T o HCl gives Imole of CaCl2. so moles of Salt formed = 0.014 0.007 Males 0.00 hoams of Salt = 0.007 XIII = 0.777 Bams. where 'lll' is molas mass of Caldzo only 0. 007 Moles a consumed so remaining moles of Ca(OH)₂ = 0.122 -0.007 = Remaining Mass of Ca Cotty = 0.115x76=80518 oalls in