Ile wodorotlenku wapnia powstanie w reakcji 5,6g tlenku wapnia z wodą??
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M CaO= 40 + 16 = 56 g/mol
M Ca(OH)₂ = 40 + 2 * (16 + 1)= 74g
1 mol CaO - 1 mol Ca(OH)₂
56g CaO - 74g Ca(OH)₂
5,6g CaO - x
x=7,4g Ca(OH)₂