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08.12.2020 •
Chemistry
If the moon is full today what will it be in a month
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Ответ:
Hope this helps :)
Ответ:
The molarity of the solution is 0.617 M.
Explanation:
Let's use this equation:
Okay, so we have a bit of work to do! The volume is given in terms of mL and we have to convert that to L by using the following conversion factor:
1
L
=
1000
m
L
350
mL
×
1
L
1000
mL
=
0.350
L
Now we have to express NaCl in terms of moles. We can do this by using the molar mass of NaCl (58.44 g/mol) as a conversion factor.
12.6
g
×
1
m
o
l
58.44
g
=
0.216
m
o
l
Now we can divide the moles by the volume to obtain the molarity like this:
M
o
l
a
r
i
t
y
=
0.216
m
o
l
0.350
L
M =0.617Explanation: