Question

calculate molecular mass of following
(If K= 39 u , Mg = 24 u, Na = 230 , S = 32
u ,Cl = 35.5 u)
a) Calcium Carbonate b) Sodium
Sulphide c) Magnesium Oxide
d) Potassium Chloride e) Sodium
hydrogen carbonate
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Answer 1

Answer:

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