GOB Chemistry

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Osmolarity

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Osmolarity (ionic molarity) represents the number of moles of ions per liter of solution. 

Osmolarity

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concept

Osmolarity

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Direct Calculation of Osmolarity:

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Osmolarity Example 1

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Osmolarity

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Osmolarity from Molarity of compound:

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Osmolarity Example 2

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Osmolarity Example 3

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Using Molarity of compounds and L of solutions, moles of ions can be calculated.

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Problem

Which of the following solutions will have the highest concentration of bromide ions?

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Problem

How many milligrams of nitride ions are required to prepare 820 mL of 0.330 M Ba3N2 solution?

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Problem

How many bromide ions are present in 65.5 mL of 0.210 M GaBrsolution?