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Ca + 2 HCl → CaCl2 + H2
Mm HCl = 36.5 g/mol
Ca = 40 g/mol
CaCl2 = 111 g/mol
g HCl = 20 g Ca x 1 mol Ca x 2 mol HCl x 36.5 g HCl
```````````` `````````````` ````````````````
40 g Ca 1 mol Ca 1 mol HCl
g HCl = 36.5 g
b)
g CaCl2 = 20 g Ca x 1 mol Ca x 1 mol CaCl2 x 111 g CaCl2
````````````` ``````````````````` ``````````````````
40 g Ca 1 mol Ca 1 mol CaCl2
g CaCl2 = 55.5 g
Mm HCl = 36.5 g/mol
Ca = 40 g/mol
CaCl2 = 111 g/mol
g HCl = 20 g Ca x 1 mol Ca x 2 mol HCl x 36.5 g HCl
```````````` `````````````` ````````````````
40 g Ca 1 mol Ca 1 mol HCl
g HCl = 36.5 g
b)
g CaCl2 = 20 g Ca x 1 mol Ca x 1 mol CaCl2 x 111 g CaCl2
````````````` ``````````````````` ``````````````````
40 g Ca 1 mol Ca 1 mol CaCl2
g CaCl2 = 55.5 g
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