Chemistry, asked by mukulbal1365, 10 months ago

Calculate the percentage composition of oxygen in calcium nitrate and gysum salt in Ca=40,N=14,O=16S=32,H=1

Answers

Answered by SNEHIL16
0

The formula of calcium nitrate is Ca(NO

3

)

2

Thus, the formula mass or molecular mass

=At.massofCa+2×At.massofN+6×At.massofoxygen

=40+2×+6×16=164

% of Ca =

164

40

×=24

% of N =

164

28

×=17

% of O =100−(24+17)=59

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