Question

How to calculate the molar mass of 10 moles of sodium sulphide

Answer 1

Explanation:

NaS --> 23 + 32 (mass of Na = 23 u and S = 32 u [Sulphur] )

= 55 u

using formula : n = m/M

now put values 10 = 55/M

therefore, M = 55/10 = 5.5 g

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