Conductivity is a measure of how well an object or solution can carry an electri

Question

Conductivity is a measure of how well an object or solution can carry an electric current. In chemistry, the conductivity of a solution is directly related to the concentration of ions within the solution.

In the PhET simulation window, click the Introduction menu at the bottom of the screen. Click on the image of a lightbulb in the Tools tab to see the electrodes (black and red) and bulb. Vary the solution and insert the "+" and "" ends of the electrodes into the solution to observe the effect on the light bulb.

Use the PhET simulation to observe how strong and weak acids and bases impact conductivity of the resulting solution, then predict the relative conductivity of the following.

Classify the following as a nonconductor, a weak conductor, or a strong conductor.

HClO3, HNO2, KOH, LiOH, NH3, H2O H2CO3,HNO3, Ca(OH)2

Compounds Classification HCl,HBr,HI,HNO3,HClO3,HClO4,H2SO4 Strong acids HF,H2CO3,H3PO4,HNO2 Weak acids NaOH,KOH,LiOH,Ba(OH)2,Ca(OH)2,Sr(OH)2 Strong bases NH3,C5H5N Weak bases

Explanation / Answer

Classify the following as a nonconductor, a weak conductor, or a strong conductor.

HClO3, HNO2, KOH, LiOH, NH3, H2O H2CO3,HNO3, Ca(OH)2

nonconductors = H2O

weak conductors = HNO2; NH3; H2CO3

strong conductors = HClO3; KOH; LiOH; HNO3; Ca(OH)2

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