Calculate the formula unit mass of NaCl and CaCl2
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Cacl2 = Ca(40u) + cl(35.5u × 2)
Cacl2 = 40u + 71u
Cacl2 = 111u
NaCl = Na(23.00mass) + Cl(35.45mass)
NaCl = 23.00+35.45
NaCl = 58.45g/mol.
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