Question

Which of the following substances is insoluble in water, according to these solubility rules?

A) Sodium chloride (NaCl)
B) Calcium hydroxide (Ca(OH)2)
C) Potassium nitrate (KNO3)
D) Silver chloride (AgCl)

Which of the following ions is soluble in water when paired with according to the solubility rules chart?

C) Chloride (Cl-)
B) Sulfate
D) Hydroxide (OH-)
A) Carbonate

Question 12 (1.25 points)
Which of the following combinations will result in a precipitate, according to solubility rules?

A) Sodium nitrate (Na2CrO4) and barium chloride (BaCl2)
B) Ammonium chloride (NH4Cl) and sodium hydroxide (NaOH)
C) Calcium sulfate (CaSO4) and sodium carbonate (Na2CO3)
D) Potassium iodide (KI) and silver nitrate (AgNO3)

Question 13 (1.25 points)
Which of the following statements is true about dilute and concentrated solutions?

A) Dilute solutions have a higher solvent-to-solute ratio than concentrated solutions.
B) Concentrated solutions contain more solute than dilute solutions.
C) Dilute solutions contain more solute than concentrated solutions.
D) Concentrated solutions have a higher solvent-to-solute ratio than dilute solutions.

Question 14 (1.25 points)
What volume of a 0.500 M sodium chloride solution is required to make 500. mL of a 0.100 M sodium chloride solution?

A) 100 L
B) 0.100 ml
C) 0.100 L
D) 1 L

Question 15 (1.25 points)
A student has a 0.500 M solution of hydrochloric acid (HCl) that is too concentrated for an experiment. The student needs to dilute the solution to 0.100 M. If the student needs 250 mL of the diluted solution, how much of the original solution should be used?

A) 250 ml
B) 50.0 ml
C) 125 ml
D) 500 ml

Answer 1

Question 10: Which substance is insoluble in water?

Answer: Silver chloride (AgCl).

Question 11: Which ion is soluble in water?

Answer: Chloride (Cl-).

Question 12: Which combination will form a precipitate (solid) according to solubility rules?

Answer: Calcium sulfate (CaSO4) and sodium carbonate (Na2CO3).

Question 13: Which statement is true about dilute and concentrated solutions?

Answer: Concentrated solutions have more solute than dilute solutions.

Question 14: How much of a 0.500 M sodium chloride solution is needed to make 500 mL of a 0.100 M solution?

Answer: 0.100 L (100 mL).

Question 15: How much of a 0.500 M hydrochloric acid solution should be used to make 250 mL of a 0.100 M solution?

Answer: 50.0 mL.

Step-by-step explanation: