Question

What is the molar mass (gram formula mass) for the compound sodium thiosulfate, Na2S2O3?

Answer 1

Gram Molecular Mass of Na2S2O3-

[(Mass of Na2) + (Mass of S2) + (Mass of O3)]

= [(23 × 2) + (32 × 2) + (16 × 3)] grams

= [46 + 64 + 48] grams

= 158 grams