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1
Or
mercuric
oxide
,
may be obtained either of a brick-red or orange-yellow colour.
2
The equation representing the decomposition of
mercuric
oxide
is
3
Rather,
mercuric
oxide
contains two elements that happen to form a gas and a metal when separate.
4
Hence, to find the weight of oxygen in 15 g. of
mercuric
oxide
,
we have the proportion
5
The relative weight of the
mercuric
oxide
molecule must therefore be the sum of these, or 216.
6
The problem is to find out what weight of
mercuric
oxide
will yield 20 g. of oxygen.
7
Again, suppose we wish to find what weight of oxygen can be obtained from 15 g. of
mercuric
oxide
.
8
The molecule of
mercuric
oxide
and the atom of oxygen which it contains have the ratio 216: 16.
9
This same ratio must therefore hold between the weight of any given quantity of
mercuric
oxide
and that of the oxygen which it contains.
10
He realized a compound like
mercuric
oxide
(an orange solid) doesn't somehow "contain" a gas, oxygen, and a liquid metal, mercury, as others believed.
mercuric
oxide
mercuric