Solution: How many milliliters of a 9.0 M H 2SO4 solution are needed to make 0.45 L of a 3.5 M solution?

Problem

How many milliliters of a 9.0 M H 2SO4 solution are needed to make 0.45 L of a 3.5 M solution?

Solution

We are being asked to find how many milliliters of 9.0 M H2SO4 is needed to make a 0.45 L of 3.5 M solution.


When we are adding water (or solvent) to a solution to decrease its concentration, we are diluting the solution. 

When dealing with dilution we will use the following equation:

M1V1=M2V2

M1 = initial concentration
V1 = initial volume
M2 = final concentration
V2 = final volume


Calculate the initial volume (milliliters needed) of the H2SO4 solution.

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