For the molecular compound, magnesium chloride dihydrate: Calculate the percentage composition of chlorine in the compound.
Answers
Answered by
0
Explanation:
The correct formula for magnesium chloride is
MgCl
2
.
To determine the percent composition of
Mg
, divide the molar mass of
Mg
by the molar mass of
MgCl
2
and multiply by
100
%
.
M
Mg
:
24.305 g/mol
(atomic weight of periodic table in g/mol)
M
MgCl2
:
(
24.305
g/mol Mg
)
+
(
2
×
35.45
g/mol Cl
)
=
95.305 g/mol
Percent composition of Mg
% Mg
=
24.305
g/mol
95.205
g/mol
×
100
%
=
25.529% Mg
The percent composition of
Mg
in
MgCl
2
is
25.529%
.
Similar questions