Molarity Video Lessons

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Concept: Definition of Molarity

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Concept: The difference between a solute and solvent

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Example: 2.64 grams of an unknown compound was dissolved in water to yield 150 mL of solution. The concentration of the solution was 0.075 M. What was the molecular weight of the substance?

Problem: The concentration of alcohol CH3CH2OH in blood, called the blood alcohol concentration or BAC, is given in units of grams of alcohol per 100mL of blood.What is the concentration of the alcohol, in terms of molarity in blood if the BAC is 0.08?

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Problem Details

The concentration of alcohol CH3CH2OH in blood, called the blood alcohol concentration or BAC, is given in units of grams of alcohol per 100mL of blood.

What is the concentration of the alcohol, in terms of molarity in blood if the BAC is 0.08?

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