PaytonMom PaytonMom

28-04-2014
Chemistry

Answered

What is the molar mass for the following compound , rounded to the nearest gram ? Na2S2O3

Answer :

tadvisohil886 tadvisohil886

29-04-2014

mass of Na = 23 u
mass of S = 32 u
mass of oxygen = 16 u

Thus, Na2S2O3

= 23(2) + 32(2) + 16(3)

= 46 + 64 + 48

= 110 + 48
= 158 u.

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