The mass of 5.00 x 10⁻² mol CuCl₂ is 6.725 grams
calculation
mass = moles x molar mass
from periodic table the molar mass of CuCl₂ = 63.5 + (35.5 x2) =134.5 g/mol
moles is therefore= 5.00 x 10⁻² x 134.5 g/mol =6.725 grams
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