Molarity & Dilutions

Molarity & Dilutions

Assessment

Flashcard

Chemistry

10th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is molarity?

Back

Molarity is a measure of the concentration of a solute in a solution, expressed as moles of solute per liter of solution (mol/L).

2.

FLASHCARD QUESTION

Front

How do you calculate molarity?

Back

Molarity (M) = moles of solute / liters of solution.

3.

FLASHCARD QUESTION

Front

What is the formula to find the number of moles from molarity and volume?

Back

Number of moles = Molarity (M) × Volume (L).

4.

FLASHCARD QUESTION

Front

If you have a 3.8 M solution, how many moles are in 2.5 L?

Back

9.5 mol (calculated as 3.8 M × 2.5 L).

5.

FLASHCARD QUESTION

Front

What is the molarity of a solution containing 4.00 grams of KNO3 in 3.80 L?

Back

0.0104 M (calculated using the molar mass of KNO3).

6.

FLASHCARD QUESTION

Front

What does a concentrated solution mean?

Back

A concentrated solution has a high amount of solute relative to the amount of solvent.

7.

FLASHCARD QUESTION

Front

What does a diluted solution mean?

Back

A diluted solution has a low amount of solute relative to the amount of solvent.

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