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Author Question: Calculate the number of moles of sodium chloride needed to make 4.0 L of a 3.0 M solution. A) 12 ... (Read 75 times)

theo

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on: Aug 27, 2018
Calculate the number of moles of sodium chloride needed to make 4.0 L of a 3.0 M solution.
 
  A) 12 moles of sodium chloride
  B) 3.0 moles of sodium chloride
  C) 4.0 moles of sodium chloride
  D) 7.0 moles of sodium chloride

Question 2

Substance A contains 80 carbon and 20 hydrogen. Substance B contains 83 carbon and 17 hydrogen. A and B are the same substance.
 
  Indicate whether the statement is true or false


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Brenm

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Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

FALSE


theo

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Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

aliotak

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Reply 3 on: Yesterday
Wow, this really help

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