Question

Flag this Question

Question 410 pts

Calculate the molarity of a solution prepared by adding 17.3 g sodium sulfate to a total volume of 864 mL.

Group of answer choices

0.168 M

7.09 M

0.141 M

0.0499 M

2.84 M

Flag this Question

Question 510 pts

Calculate the concentration for 84.0 mL of a 12.0% by mass HCl solution diluted with 491 mL of water.

Group of answer choices

1.75%

0.570%

0.487%

2.05%

0.701 %

Flag this Question

Question 610 pts

One system consists of a permeable membrane with an intracellular concentration greater than the extracellular concentration. A second system is a semi-permeable membrane with equal intracellular and extracellular concentration. Describe the solution type for each system.

Group of answer choices

The permeable membrane is isotonic, the semi-permeable membrane is hypotonic.

Both systems are isotonic.

The permeable membrane is hypertonic, the semi-permeable membrane is isotonic.

The permeable membrane is isotonic, the semi-permeable membrane is hypertonic.

The permeable membrane is hypotonic, the semi-permeable membrane is isotonic.

Flag this Question

Question 710 pts

How is a solution freezing point and boiling point affected by addition of a dissolved solute?

Group of answer choices

The freezing point decreases, the boiling point increases.

The freezing point increases, the boiling point decreases.

The freezing point and boiling point are independent of dissolved solute concentratio.

The freezing point and boiling point are decreased.

The freezing point and boiling point are increased.

Flag this Question

Question 810 pts

Which of the following affect the internal osmotic pressure of a system, such as a cell?

Group of answer choices

Osmotic pressure increases with a decrease in volume and increases with an increase in concentration.

Osmotic pressure is independent of volume changes.

Osmotic pressure increases with a decrease in volume and decreases with an increase in concentration.

Osmotic pressure decreases with a decrease in volume and decreases with an increase in concentration.

Osmotic pressure decreases with a decrease in volume and increases with an increase in concentration.

Flag this Question

Question 910 pts

Calculate the volume (in mL) per dose for 400. mg/mL amoxicillin to deliver two doses per day at 40.0 mg/(kg⋅day) for a 22.0 pound patient. 2.20 pounds = 1 kg.

Group of answer choices

0.500 mL/dose

2.50 mL/dose

33.1 mL/dose

0.400 mL/dose

10.0 mL/dose

Flag this Question

Question 1010 pts

A 110.0 pound patient is to receive Heparin by IV with an infusion rate of 18.0 Units/(kg⋅hour). Heparin is supplied at 25,000.0 Units in 250.0 mL. How many mL per hour should the IV pump be set for this infusion? 2.20 pounds = 1 kg.

Group of answer choices

9.00 mL/hour

19.8 mL/hour

36.0 mL/hour

7.44 mL/hour

0.111 mL/hour

Answer 1