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Author Question: A student is told to use 20.0 grams of sodium chloride to make an aqueous solution that has a ... (Read 50 times)

dmcintosh

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on: Jul 29, 2018
A student is told to use 20.0 grams of sodium chloride to make an aqueous solution that has a concentration of 10.0 grams of sodium chloride per liter of solution.
 
  Assuming that 20.0 grams of sodium chloride has a volume of 7.5 milliliters, about how much water will she use in making this solution?
  A) 9.25 L
  B) 9.5 L
  C) 9.9925 L
  D) 10 L

Question 2

What is the molarity when water is added to 2 moles of sodium chloride to make 0.5 liter of solution?
 
  A) 8 M
  B) 4 M
  C) 5 M
  D) 2.5 M


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DylanD1323

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Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


dmcintosh

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Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

ryansturges

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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