Element | % | Atomic mass | mole ratio | simple ratio |
---|---|---|---|---|
C | 38.71 | 12 | $${{38.71} \over {12}} = 3.22$$ | $${{3.22} \over {3.22}} = 1$$ |
H | 9.67 | 1 | $${{9.67} \over 1} = 9.67$$ | $${{9.67} \over {3.22}} = 1$$ |
O | 51.62 | 16 | $${{51.62} \over {16}} = 3.22$$ | $${{3.22} \over {3.22}} = 1$$ |
PbO | + | 2HCl | $$\to$$ | PbCl2 | + | H2O |
---|---|---|---|---|---|---|
n mol | 2n mol | n mol | ||||
$$6.5 \over 224$$ mol | $$3.2 \over 36.5$$ mol | |||||
0.029 mol | 0.087 mol |