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Standard XII
Chemistry
Atoms and Molecules
What is the f...
Question
What is the formula mass unit of ZnO?
A
81 u
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B
188 u
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C
88 u
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D
18 u
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Solution
The correct option is
A
81 u
Atomic mass for Zn = 65u and O = 16u
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3
Similar questions
Q.
Formula unit mass of
Z
n
O
is :
Q.
Calculate the formula unit masses of
Z
n
O
,
N
a
2
O
,
K
2
C
O
3
.
(atomic masses of
Z
n
=
65
u
,
N
a
=
23
u
,
K
=
39
u
,
C
=
12
u
and
O
=
16
u
)
Q.
Question 2
Calculate the formula unit masses of
Z
n
O
,
N
a
2
O
,
K
2
C
O
3
. Given atomic masses of Zn = 65 u, Na = 23 u, K = 39 u, C = 12 u, and O = 16 u.
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What is the formula unit mass of sodium chloride?
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