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18 solutions

Electrolytes

Q. Which of the following is false when potassium nitrate (KNO3) dissolves in water? Group of answer choices The ionic bonds in KNO3 are broken. The formation of the salt solution occurs step-by-step. The entropy of the system will increase during the formation of the salt solution. Some hydrogen bonds between water molecules are broken. New intermolecular forces called ion-dipole forces form between the water molecules and the potassium and nitrate ions.

Solved • Nov 12, 2019

Electrolytes

Q. Each of the following figures represents an aqueous solution. Classify each solute as a nonelectrolyte, a weak electrolyte, or a strong electrolyte.

Solved • Nov 3, 2019

Electrolytes

Q. Which of the following compounds is a strong electrolyte? (a)HF (b)HCN (c) NaF (d)NH3 (e)H2O

Solved • Nov 3, 2019

Electrolytes

Q. Which of the following compounds is a weak electrolyte? (a)LiCl (b)(C2H5)2NH (c)KNO3 (d)NaI (e)HNO3

Solved • Nov 3, 2019

Electrolytes

Q. Considering the properties of the different types of electrolytes , list the major components present in aqueous solutions of each of the following. 1. HCLO3 2.(NH4)2CO3

Solved • Oct 2, 2019

Electrolytes

Q. . A conductivity test of a dilute solution of nitrous acid (HNO2 (aq)) has very low electrical conductivity (the bulb on the tester glows dimly) and the pH is measured to be about 4. The same concentration of a nitric acid (HNO3 (aq)) solution makes the conductivity tester’s bulb glow brightly and has a pH of less than 1. Explain the difference between these two acids.

Solved • Sep 23, 2019

Electrolytes

Q. Classify each solute given below by how it would best be depicted in solution.

Solved • Sep 14, 2019