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lesya692 [45]
3 years ago
8

What is represented by the chemical formula PbCI2(s)

Chemistry
1 answer:
bekas [8.4K]3 years ago
3 0

Answer:

A chemical formula tells you the specific elements included in the compound and the number of atoms of each. The letters in a chemical formula are the symbols for the specific elements. ... The numbers added as a subscript tell you how many atoms of each element are present. If no number is present, there is only one atom.

Explanation:

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Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3NO2(g)+H2O(l)→2HNO3(l)+
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Answer:

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Explanation:

                                      3NO2(g)+H2O(l)→2HNO3(l)+NO(g)

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3:x = 1:3

x = 3 *3/1 = 9 mol NO2

So, for 3 mol H2O are needed only 9 mol NO2.

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11 mol NO2 - 9 mol NO2 = 2 mol NO2 will be left after reaction.

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