This topic contains a solution. Click here to go to the answer
« previous next »

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 120 times)

theo

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


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

A

Answer to Question 2

FALSE


theo

  • Member
  • Posts: 698
Reply 2 on: Aug 27, 2018
:D TYSM

CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Polar bears feed upon a number of marine mammals. They are currently at the centre of international Polar bears feed upon a number of marine mammals. They are currently at the centre of international
sodium sodium
Despite the globe’s vast social change, people all over the world continue to make race a ... Despite the globe’s vast social change, people all over the world continue to make race a ...
A shim (or half shim) may be needed to provide the proper clearance between the flywheel teeth of ... A shim (or half shim) may be needed to provide the proper clearance between the flywheel teeth of ...
The tools needed to diagnose a circuit containing a relay include a digital multimeter (DMM), a ... The tools needed to diagnose a circuit containing a relay include a digital multimeter (DMM), a ...
Using the Ti plasmid to make a transgenic plant Using the Ti plasmid to make a transgenic plant
Video: Rh blood type and complications during pregnancy & Fertilization

For a complete list of videos, visit our video library