Calculate the molarity of a solution where we dissolved 50g of calcium nitrate in enough water to make 2 L solution
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Answer:
Explanation:
Molarity
=
Moles of solute
Volume of solution in litres
Solute is
NaCl
.
Molar mass of
NaCl
=
23
+
35.5
=
58.5
g
/
m
o
l
Number of moles
=
Given mass
Molar mass
Given mass of
NaCl
=
5.85
g
Moles of
NaCl
=
5.85
58.5
=
0.1
Volume of solution
=
200
m
L
=
0.2
L
Molarity of solution
=
0.1
0.2
=
0.5
M
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