  # A 57.0 mL aliquot of a 1.30 M solution is diluted to a total volume of 208 mL. A 104 mL portion of that solution is diluted by adding 173 mL of water. What is the final concentration? Assume the volumes are additive.

Question

A 57.0 mL aliquot of a 1.30 M solution is diluted to a total volume of 208 mL. A 104 mL portion of that solution is diluted by adding 173 mL of water. What is the final concentration? Assume the volumes are additive.

check_circleExpert Solution
Step 1

Dilution Factor: “It is the ratio of total volume to volume of solute” or “It is the ratio of concentration of concentrated solution to concentration of dilute solution”.

It essentially indicates the factor by which concentration of an initial solution decreased upon dilution.

Step 2

Dilution factor for the First dilution:

Vconcentrated = 57.0 mL.

Vdiluted = 208 mL.

Step 3

The first solution was diluted by a factor of 3.649, which means that its concentration decr...

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