molarity by dilution
Acids are usually acquired from chemical supply houses in concentrated form. These acids are diluted to the desired concentration by adding water. Since moles of acids before dilution = moles acid after dilution , and moles of acid =MxV then, M1xV1 = M2xV2, solve the following problems.
1) how much concentrated 18 M sulfuric acid is needed to prepare 250 mL of a 6.0 M solution?