Question

Calculate the mass berrante obelifferent
elements present in sodium sulpher
suas 23 ?
S = 3)
e = 10​

Answer 1

Explanation:

Molar mass of Na

2

SO

4

= 23×2+32+4×16=142

Na=

142

23×2

×100=32.4%

S=

142

32

×100=22.5%

O=

142

64

×100=45%