Question

find the number of mass of Na2Co3 present in 100cm³ of 10³M solution​

Answer 1

Answer:

10600gm

Explanation:

molarity=mass×1000/molecular wt.×V(ml)

Answer 2

Answer:

$na2 = 23 \times 2 = 46andc = 12 \: and \: o3 = 16 \times 3 = 48$