Question

calculate the mass percent of of different element present in sodium sulphate. NA2SO4​

Answer 1

Answer:

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%

Answer 2

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