Concentration of SolutionsA. To save time and space in the laboratory, routinely used solutions are often purchased or prepared in concentrated form, called _______ solutions. stock

Concentration of Solutions1. _______ is added to achieve the molarity desired for a particular solution. This is known as ________.

Water

dilution

Concentration of Solutions2. _________ with ______ does not alter the number of moles of solute present.

Dilution water

Concentration of Solutions3. Remember when diluting ______, always add _____ to ______.

acids acidwater

Concentration of SolutionsB. When diluting solutions it is important to remember the number of ______ of solute does not change. We can set up the following equation to express this idea:

M1V1 = M2V2

moles