Whats the difference between molarity and moles
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Whats the difference between molarity and moles

[From: ] [author: ] [Date: 12-10-13] [Hit: ]
022e23=1mole.When they mean by Molarity of NaOH they are asking how many moles are in one liter of the solution. When they mean moles of NaOH they want you to calculate the amount of moles there are given a specific amount of the substance (for ex. you can calculate moles from grams by dividing the grams of NaOH by the molar weight/ summed atomic mass of NaOH.......
When asking for "Molarity of NaOH" and "Moles of NaOh added".... what does that mean?

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Molarity means that the NaOH is already in the water. Molarity is the ratio of the amount of Solid NaOH that was put into a volume of water. (NaOH is very soluble in water).

Moles of NaOH has nothing to do with water. It is a dry measure (in this case).

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Molarity is a a fraction of moles per liter of solution (a concentration). Moles is a quantity of substance, specifically 6.022e23=1mole.

When they mean by Molarity of NaOH they are asking how many moles are in one liter of the solution. When they mean moles of NaOH they want you to calculate the amount of moles there are given a specific amount of the substance (for ex. you can calculate moles from grams by dividing the grams of NaOH by the molar weight/ summed atomic mass of NaOH. This will give you moles)
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