# Chemistry

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What is the concentration of a solution of 1.70
g of AgNO3 dissolved in enough water to
make 250 mL?

• Chemistry -

first of all you would need to find out the number of moles in solution using moles = mass/Mr
Mr of AgNO3 = 108+14+(16x3) = 170
moles = 1.70g/170 = 0.01

Then you can use the formula:

concentration = moles/volume(dm3)
= 0.01/0.250
= 0.04moldm-3

hope this helps

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