Molarity
Quiz by Becky Helmer
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- Q120.0 moles of NaOH is dissolved in 1.45 L of solution. What is the molarity?12.95M13.8 M14M13M120s
- Q2
You need to make 100.mL of 0.50M HCl. You have 12M HCl. How much 12M HCl do you need?
What are they asking you to find?
molarityvolume120s - Q3What is the molarity of a 1.50L solution with 23.4 moles of NaCl dissolved in it?15.6M15 mol15.6 mol15 M120s
- Q4You have 10.M NaCl. You need to make 200. mL of 1.25 M NaCl. How many mL of NaCl do you use?50mL25L25mL50L120s
- Q5
What is the molarity of 75 moles of NaOH dissolved in 2 L of solution?
1.0 M37.5M1.25 M60 M120s - Q6
How do you convert mL to L?
move the decimal 2 places to the left
move the decimal 3 places to the left
move the decimal 3 places to the right
move the decimal 2 places to the right
30s - Q7
If 125 mL of a 0.15M NaOH solution is diluted to a final volume of 150 mL, what will be the molarity of the diluted solution?
What are they asking you to find?
molarity
volume
30s - Q8
If 125 mL of a 0.15M NaOH solution is diluted to a final volume of 150 mL, what will be the molarity of the diluted solution?
1.0 m
0.5 M
0.18 M
0.125 M
30s - Q9
According to M1V1=M2V2, how are molarity and volume related?
directly
indirectly
30s - Q10
If volume increases, what will happen to molarity?
It will increase.
It will decrease.
It will stay the same.
30s - Q11
If volume decreases, what will happen to molarity?
It will increase.
It will decrease.
It will stay the same.
30s - Q12
How much of a 15.0 M stock solution do you need to prepare 250 ml of a 2.35 M HF solution?
39.2 mL
0.141 mL
1595 mL
30s