# Science

posted by
**Gina**
.

What is the scentific formula for Sodium Thiosulphate?

What is the mass of a 30 N rock in the school yard?

Sodium thiosulfate is Na2S2O3.

posted by
**Gina**
.

What is the scentific formula for Sodium Thiosulphate?

What is the mass of a 30 N rock in the school yard?

Sodium thiosulfate is Na2S2O3.