Question

Calculate the formula unit mass of NaCl and CaCl2.​

Answer 1

Explanation:

Na=23u,Cl=35.5u

Formula unit mass of NaCl = Atomic mass of Na + atomic mass of Cl=23u+35.5u=58.5u

Ca=40 u, Cl=35.5 u

Formula unit mass = Atomic mass of Ca+(2×atomic mass of Cl)=40+71=111

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