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

Author Question: What mass of ethane (CH3CH3) is contained in 50.0 mL of a 13.9% by mass solution of ethane in ... (Read 333 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538

Question 1

A 4.55 L sample of water contains 0.115 g of sodium ions. Determine the concentration of sodium ions in ppm if the density of the solution is 1.00 g mL-1.
◦ 36.5 ppm
◦ 12.7 ppm
◦ 13.2 ppm
◦ 25.3 ppm
◦ 52.3 ppm

Question 2

What mass of ethane (CH3CH3) is contained in 50.0 mL of a 13.9% by mass solution of ethane in hexane? The density of the solution is 0.611 g mL-1.
◦ 8.49 g
◦ 4.25 g
◦ 11.8 g
◦ 6.95 g
◦ 2.35 g


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by MirandaLo on Nov 18, 2019

Bison

  • Sr. Member
  • ****
  • Posts: 342
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly




 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

For a complete list of videos, visit our video library