Chapter 4b notes

# Chapter 4b notes - final volume of 11.6 mL 7 A stock...

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Chapter 4 Toyota 1 CHM 1025 Chapter 4b 1. How many moles are in 0.500 L of the solution? ___________ 2. If the amount of solvent was increased to 2.80 L, how many moles of CaSO 4 ·2H 2 O are there? ___________ 3. What is the new concentration of CaSO 4 solution? ___________ 4. A shorthand equation for calculating the effects of dilution is: 5. Recalculate the new concentration if 0.500 L of 0.261 M solution is diluted to a new volume of 2.80 L. 6. What is the new concentration of a 10.3 mg/mL solution when 5.0 mL are diluted to a
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Unformatted text preview: final volume of 11.6 mL? 7. A stock solution that is 0.250 M in sodium perchlorate is diluted to give a new concentration of 0.111 M in a volume of 45.0 mL. How much of the original stock solution is required? 8. My brother-in-law Bubba’s still produces 190 proof moonshine. The proof number is double the percent alcohol by volume. If he wants 24 quarts of 80 proof booze, how much raw distillate does he need? 9. How can you concentrate a solution? 2 2 1 1 V M V M =...
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## This document was uploaded on 07/10/2011.

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