Calculate the mass percentage of the different elements present in sodium sulphate Na2SO4
Answers
Answered by
18
pls mark as brainliest
Attachments:
Answered by
8
molecular mass of the compound
Na2SO4
= (2×23)+(1×32)+(4×16)
= 46+32+64
= 142 g
mass percentage of
1) Na
= mass of the element in the compound/molec mass of the compound × 100
= (2×23)/142 × 100
= 46/142 × 100
= 32.4 %
2) S
= 32/142 × 100
= 22.5%
3) O
= 64/142 × 100
= 45.1 %
Na2SO4
= (2×23)+(1×32)+(4×16)
= 46+32+64
= 142 g
mass percentage of
1) Na
= mass of the element in the compound/molec mass of the compound × 100
= (2×23)/142 × 100
= 46/142 × 100
= 32.4 %
2) S
= 32/142 × 100
= 22.5%
3) O
= 64/142 × 100
= 45.1 %
Similar questions