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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro
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For each compound (all water soluble), would you expect

Chapter 4, Problem 71E

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QUESTION:

For each compound (all water soluble), would you expect the resulting aqueous solution to conduct electrical current?

a. CsCl                 b. CH3OH                 c. Ca(NO2)2                         d. C6H12O6

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QUESTION:

For each compound (all water soluble), would you expect the resulting aqueous solution to conduct electrical current?

a. CsCl                 b. CH3OH                 c. Ca(NO2)2                         d. C6H12O6

ANSWER:

Solution: Here, we are going to determine the concentration of each ion or molecules in the given set of compounds. Step1: a) NaNO , being an ionic compound will dissociate completely to give sodium and nitrate 3 ion as shown below: NaNO ----3---> Na + NO + 3- + - Here, 0.25 M NaNO will have 0.23 Na ions and 0.25 M NO ions in solution. 3 Step2: b) MgSO , being an ionic compound will dissociate completely to give magnesium and 4 sulfate ion as shown below: 2+ 2- MgSO ----4---> Mg + SO 4 -2 -2 2+ -2 2- Here, 1.3 x 10 M NaNO will have 1.3 x3 M Mg ions and 1.3 x 10 M SO 4 ions in solution. Step3: c) C 6 O12 b6ng a non-ionic compound will not dissociat

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