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what's the concentration of a solution
if you're given the number of moles and
the volume now the answer is C
concentration equals n over V take the
number of moles and divide it by the
volume in this case the number of moles
is 0.7 and the volume is 400 milliliters
now to get that in liters you're going
to want to divide by a thousand I get
0.4 and so that volume is 0.4 liters on
your calculator point seven divided by
0.4 I get 1.75 and my units are moles
per liter your teacher may prefer you to
write moles per liter a different way
it's exactly the same thing as saying
1.75 molar
it's just another unit chemist AB but
again to calculate concentration take
the number of moles you have divided by
the volume you have in liters best of
luck
