Molarity quiz Flashcards
Molarity quiz
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Which of the following best defines concentration: A) The amount of solute in a given volume of solution, B) The number of moles of solute per liter of solution, C) The weight of solute in grams per liter of solution, D) The volume of solute in milliliters per liter of solution?
A) The amount of solute in a given volume of solution. How many molecules of glucose are in 1 L of a 100 mM glucose solution?
There are approximately 6.022 x 10^22 molecules of glucose in 1 L of a 100 mM glucose solution. What does the molarity of a solution indicate?
Molarity indicates the number of moles of solute per liter of solution. What is the formula for calculating molarity?
The formula for calculating molarity is M = moles of solute / liters of solution. How can molarity be used in chemical calculations?
Molarity can be used as a conversion factor to convert between moles of solute and volume of solution. What does a 5.8 M sodium chloride solution mean?
A 5.8 M sodium chloride solution contains 5.8 moles of NaCl in one liter of solution. Why is molarity considered a conversion factor?
Molarity is considered a conversion factor because it connects two different units: moles of solute and liters of solution. What is the relationship between molarity and concentration?
Molarity is a specific measure of concentration, representing moles of solute per liter of solution. How does molarity help in determining unknown quantities in a solution?
Molarity helps in determining unknown quantities by allowing conversion between moles of solute and volume of solution. What is the significance of using molarity in dimensional analysis?
Using molarity in dimensional analysis allows for the incorporation of concentration as a conversion factor in calculations.
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