Question

How many miles are in 68 grams of copper 2 hydroxide, Cu (OH)2

Answer 1

Molar mass  Cu(OH)₂ =  97.561 g/mol

1 mol --------- 97.561 g
? mol ---------- 68 g

moles = 68 * 1 / 97.561

moles = 68 / 97.561

= 0.6969 moles 

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