Practice Molarity (1.2.6) - Solutions - CBSE 12 Chemistry Part 1

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the formula for calculating molarity?
Show hintHide hint
Think about how many moles you have and how much volume is there.
Question 2.
Convert 200 mL of solution to liters.
Show hintHide hint
Remember that 1 L = 1000 mL.
3Question 3.
What is the molarity of a solution containing 5 moles of solute in 2 L of solution?
- 2.5 M
- 5 M
- 10 M
Show hintHide hint
Divide moles by volume!
4Question 4.
True or False: Molarity changes with temperature.
- True
- False
Show hintHide hint
Think about how heat affects liquids.
Question 5.
A chemist needs to prepare a 0.5 M NaCl solution. How many grams of NaCl are needed in 4 L of water?
Show hintHide hint
Use the molarity formula and then convert moles to grams.
Question 6.
You have a 1.5 M HCl solution and need to dilute it to 0.5 M. If you want 1 L of 0.5 M HCl, how much of the 1.5 M solution do you need to take?
Show hintHide hint
Think about how to balance concentrations.

4 more questions in this section. Enroll free to practise them all.