Molarity Dilutions
Authored by Lisa Thompson
Science
10th Grade
NGSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the molarity of 186.55 g of sucrose, C12H22O11 (FM = 342) in 250 mL of water.
2.18 M
0.746 M
1.18 M
0.545 M
Tags
NGSS.HS-PS1-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?
1074 mol
0.069 mol
1.07 mol
62.7 mol
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which sweet tea would you expect to taste the sweetest?
1M
3M
3.1M
2.5M
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you have 34 mL of a 0.5 M NaBr solution, what will the concentration be if 56 mL of water is added to it?
.191 M
3.78 M
.389 M
1.76 M
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300.0 mL of 2.00 M NaOH by dilution?
0.067 mL
60.0 mL
100 mL
125 mL
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?
27.8 mL
27.78 mL
2.8 mL
278 mL
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What volume of 1.50 M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?
150. mL
151 mL
1.00 L
100. mL
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