# Chemistry

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How many milliliters of 0.225 M NH4C2H3O2 are needed to make 750.0 mL of 0.1667 M NH4C2H3O2?

• Chemistry -

dilution formula

• Chemistry -

ok so did I do it right??

0.225(750.0)=0.1667(v)
168.75/0.1667=1012.3??

• Chemistry -

Isn't this the same as the above?
0.225 x mL = 0.1667 x 750 mL.
mL = ?
The problem asks for "how many mL of 0.225M must ......."
so you have the v (unknown) in the wrong place.

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