Molarity 2 Question Preview (ID: 42517)
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How many grams of NaCl are in 75 mL of 0.29 M solution?
a) 1.3
b) 0.58
c) 58
d) 0.029
How many moles of KI are in 850 mL of 0.55 M solution?
a) 0.47
b) 3.1
c) 1.6
d) 0.94
What is the moarity of CH3OH in 230 mL of a solution containing 11.7 g?
a) 1.59
b) 0.0119
c) 11.9
d) 0.00159
How many moles of AlBr3 are in 0.500 L of 0.300 M solution?
a) 0.15
b) 0.3
c) 5.0
d) 150
How many moles of sugar (C12H22O11) are needed to make 2.5 L of 0.300 M solution?
a) 0.75
b) 0.65
c) 0.70
d) 3.42
You have 500 mL of a 1.2 M solution. What would be the concentration if you had only 50 mL of the solution?
a) 1.2 M
b) 0.12 M
c) 0.60 M
d) 6.0 M
What volume of 1.3 M solution would contain 42 g of Ca(NO3)2?
a) 0.2 L
b) 0.02 L
c) 2.0 L
d) 0.13 L
What is the new molarity when 50 mL of 0.25 M solution is diluted to 250 mL?
a) 0.25 M
b) 0.50 M
c) 0.050 M
d) 0.025 M
Which has the greatest molarity when dissolved in 1 L, 50 g of HF, 100 g of HCl, or 200 g HBr?
a) HF
b) HCl
c) HBr
d) They are all the same.
50 g of LiCl is dissolved in 100 mL. How much NaCl would you need to make 100 mL of the same concentration solution?
a) 50 g
b) 69 g
c) 5.0 mol
d) 1.0 mol
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