Question

Calculate the molecular mass of the following compounds: (a)NH4NO3 (b) Al2(SO4)3 (c)Na₂CO3 (d) Mg(NO3)2​

Answer 1

•NH4NO3 →

14 + 4 + 14 + (16 × 3) = 80

•AL2(SO4)3 →

(27×2) + 3 (32 +(16×4) ) = 342

• Na2CO3 →

(23×2) +12 + (16×3) = 106

•Mg(NO3)2 →

24 + 2 (14 + (16×3)) = 148

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Answer 2

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NH4NO3 = 14 + 4 +14+ (16 x 3) => 80

AL2(SO4)3 = (27x2) + 3 (32 +(16×4) ) => 342

Na2CO3 = (23×2) +12 + (16×3) => 106

Mg(NO3)2 = 24+2 (14+ (16×3)) => 148