q. (9). a) Calculate the molecular mass of CH3 OH.
b) Write chemical formula of the compound formed by the following ions -AL³+ and BR-
c) calculate the molar mass of HNO3
Answers
Answered by
0
ANSWER:
32
EXPLANATION:
12+03+16+01
=32
Answered by
0
The molar mass of nitric acid is 63.01 g/mol. We calculate the molar mass of a compound by adding up the atomic mass of each element.
Molecular mass of
H
N
O
3
HNO
3
is the sum of the atomic masses of
H
,
N
O
H,NO
So
1
+
14
+
16
×
3
=
63
1+14+16×3=63 u.
Molecular mass of
H
N
O
3
HNO
3
is the sum of the atomic masses of
H
,
N
O
H,NO
So
1
+
14
+
16
×
3
=
63
1+14+16×3=63 u.
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