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Byju's Answer
Standard IX
Chemistry
Molecular Mass
The formula u...
Question
The formula unit mass of
M
g
C
l
2
is
u.
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Solution
Formula unit mass of
M
g
C
l
2
= (1 × Atomic mass of Mg) + (2 × Atomic mass of Cl)
= (1 × 24 u) + (2 × 35.5 u)
= 95 u
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Similar questions
Q.
(a) Define 'formula unit' of an ionic compound. What is the formula unit of (i) sodium chloride, and (ii) magnesium chloride ?
(b) Calculate he formula masses of the following compounds :
(i) Calcium chloride
(ii) Sodium carbonate
(Given : Atomic masses : Ca = 40 u ; Cl = 35.5 u ; Na = 23 u ; C = 12 u ; O = 16 u)
Q.
Statement 1 (S1): The formula unit mass of a substance is the sum of the masses of all atoms in a formula unit of a compound.
Statement 2 (S2): The formula unit mass of
MgCl
2
is 95 u.
Q.
calculate formula unit mass of MgCl
2
.
Q.
The formula unit mass of
MgCl
2
is _____.
Q.
The formula unit mass of
C
a
F
2
is 78 u.
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