WorksheetsCHM 1135 FINAL review 2025
Total questions: 15
Worksheet time: 10mins
How many equivalents are present in 4 moles of an Fe2+ solution?
2
4
8
0.2
If an IV saline drip has 24 mEq/L of Na+ and 20mEq of K+, for a total positive charge of 44mEq/L, what is the concentration if Cl-?
24 mEq/L
44 mEq/L
20 mEq/L
88 mEq/L
A solution of sodium chloride and water is a good conductor of electricity. Due to this property, table salt is classified as an (a) .
A homogeneous mixture contains 34% ethanol and 66% isopropanol. Which of these is the solute in the mixture ?
ethanol
isopropanol
both
neither
How many equivalents of Mg2+ are in 2.5 moles of Mg2+?
4.5
2
2.5
5
What is the %v/v concentration of a solution made by adding 25 mL of acetone to 75 mL of water?
33.3%
25%
100%
75%
What is the molarity of a solution formed by dissolving 45 g NaOH in water to give a final volume of 250 mL?
1.13M
0.0045M
4.5M
250M
To prevent the process of either crenation or hemolysis with red blood cells an intravenous solution concentration should be ________ to the concentration of blood.
hypotonic
hypertonic
isotonic
hypertensive
A physiological saline solution has a concentration of 0.90 % m/v NaCl. Which of these solutions is hypotonic to the saline solution?
0.90 % m/v NaCl
0.25 % m/v NaCl
1.0 % m/v NaCl
5.0 % m/v NaCl
What is the molarity of a solution obtained by diluting 125 mL of 2.50 M NaOH to 575 mL?
1.84M
0.543M
11.2M
5.43M
A Brønsted-Lowry acid is defined as a substance which:
acts as a proton donor
acts as a proton acceptor
acts as an OH donor
acts as an OH acceptor
hich of the following cannot act as a Brønsted-Lowry acid?
HSO4-
HS-
CO32-
H2O
What is the pH of a solution that has a [H3O+] = 1.2 × 10-3
1.20
2.92
11.08
12.80
What is the [H3O+] concentration of a solution that has a pH = 2.34?
2.3 × 10-3 M
4.6 × 10-3 M
2.2 × 10-12 M
1.2 M
Calculate the mass percent of a solution prepared by dissolving 17.2 g of NaCl in 149 g of water.
10.3%
11.5%
3.33%
0.115%
