This topic contains a solution. Click here to go to the answer

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 76 times)

theo

  • Hero Member
  • *****
  • Posts: 698
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Brenm

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

A

Answer to Question 2

FALSE




theo

  • Member
  • Posts: 698
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review


tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

For a complete list of videos, visit our video library