Deduce the molecular masses of those compounds:Atomic masses – H(l), – InterviewSolution

1.

Deduce the molecular masses of those compounds:Atomic masses – H(l), 0(16), N(14), C(12), K(39), S(32) Ca(40), Na(23), Cl(35.5), Mg(24), Al(27)Molecular formula – MgO

Answer»

Molecular mass of MgO(M)

= (Atomic mass of Mg) x 1 + (Atomic mass of O) x1

= (24 x 1) + (16 x 1)

= 24 + 16

= 40 Molecular mass of MgO (M) = 40

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