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Standard IX
Chemistry
Molecular Mass
Calculate the...
Question
Calculate the molecular mass of Nitric acid (
H
N
O
3
).
A
60
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B
61
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C
62
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D
63
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Solution
The correct option is
D
63
molecular mass of
H
N
O
3
= mass of H atom + mass of nitrogen atom + 3 x mass of oxygen atom
=
1
+
14
+
48
=
63
u
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