Question
Asked Feb 27, 2019
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Question 19:Calculate the final concentration of the solution when water is added to prepare each of the following solutions.

Part A:60.0 mL of a 20.8 M HCl solution is diluted to 600. mL

Part B:80.0 mL of a 25.0 %(m/v) NH4Cl solution is diluted to 150 mL

Part C:5.00 mL of a 7.50 M KOH solution is diluted to 80.0 mL

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Expert Answer

Step 1

(a)

The number of moles of HCl is calculated as,

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Step 2

The molarity of diluted HCl is calculated as,

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Step 3

(b)

The amount of ammonium chloride in 80.0mL of 2...

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