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What mass of Ca(OH)2 will be used to make 45.6g of NaOH?
NaCl + Ca(OH)2 -> NaOH + CaCl2

2 NaOH+ CaCl2-> 2 NaCl+ Ca(OH)2
How many moles of NaPh are produced when 26.9 of NaCl are used?

How many moles of fluorine will be needed to produce 5.6 g of HF?
H2+F2-> HF