Answer to Question #347790 in Organic Chemistry for Mfundo

Question #347790

How many grames of mercury and how many grams of oxygen are formed from 45.5g of HgO?

1
Expert's answer
2022-06-06T02:57:02-0400

Solution:

The molar mass of HgO is 216.59 g/mol

The molar mass of Hg is 200.59 g/mol

The molar mass of O2 is 31.998 g/mol


Mercury(II) oxide (HgO) decomposes on heating to give mercury (Hg) and oxygen gas (O2).

It is a thermal decomposition reaction and the balanced equation can be written as:

2HgO(s) → 2Hg(l) + O2(g)

According to stoichiometry:




Answer: 42.1 grames of mercury (Hg) and 3.36 grams of oxygen gas (O2) are formed

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