How many grams of H3PO4 are in 175 mL of a 3.5 M solution of H3PO4?
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have a
3.5
M
solution of phosphoric acid with
175
m
L
of it in there. This means that there are:
3.5
mol
L
⋅
0.175
L
=
0.6125
mol
So, there exist
0.6125
moles of phosphoric acid here.
Phosphoric acid has a molar mass of
97.994
g/mol
.
So here, the mass is:
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