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

Author Question: Sample A contains 92.3carbon and 7.7 hydrogen. If sample B is the same substance, it will contain ... (Read 42 times)

javeds

  • Hero Member
  • *****
  • Posts: 570
Sample A contains 92.3carbon and 7.7 hydrogen. If sample B is the same substance, it will contain
 
  A) 80 carbon and 20 hydrogen.
  B) 92.3 carbon and 7.7 hydrogen.
  C) 83.3 carbon and 16.7 hydrogen.
  D) 85 carbon and 15 hydrogen.

Question 2

A sample of calcium that contains Avogadro's number of atoms has a mass of ________.
 
  A) 20 g
  B) 40 g
  C) 80 g
  D) 160 g



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jmfn03

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

B

Answer to Question 2

B




javeds

  • Member
  • Posts: 570
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review


jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

For a complete list of videos, visit our video library