Question

Calculate that amount of sodium phosphate needed for:



a. 20 ml of 0.02 m sodium phosphate, ph 7.0



b. 10 ml of 0.02 m sodium phosphate, ph 7.0 with 0.4 m nacl



c. 10 ml of 0.02 m sodium phosphate, ph 7.0 with 1.0 m nacl

Answer 1

ठटटदठजछछदःडपधोछजरछभपःझढधथधढङचधध