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

Author Question: Calculate the molality of a solution that is prepared by mixing 25.5 mL of CH3OH (d = 0.792 g mL-1) ... (Read 186 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Nov 18, 2019

Question 1

How many moles of KF are contained in 244 mL of 0.135 mol kg-1 KF solution? The density of the solution is 1.22 g mL-1.
◦ 1.67 × 10-2 mol KF
◦ 4.02 × 10-2 mol KF
◦ 4.31 × 10-2 mol KF
◦ 2.32 × 10-2 mol KF
◦ 3.29 × 10-2 mol KF

Question 2

Calculate the molality of a solution that is prepared by mixing 25.5 mL of CH3OH (d = 0.792 g mL-1) and 387 mL of CH3CH2CH2OH (d = 0.811 g mL-1).
◦ 2.01 mol kg-1
◦ 1.57 mol kg-1
◦ 0.630 mol kg-1
◦ 4.98 mol kg-1
◦ 0.812 mol kg-1
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

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

carlsona147

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Nov 18, 2019
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 35% of students answer this correctly


penza

  • Member
  • Posts: 1,022
Reply 2 on: Nov 18, 2019
Excellent

carlsona147

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Preparing solution of known Molarity Preparing solution of known Molarity
Benedict's Solution Benedict's Solution
Math Solution Math Solution
How to create a price index to calculate inflation for a basket of goods How to create a price index to calculate inflation for a basket of goods
How to calculate present value (Question 3) How to calculate present value (Question 3)
What mass, in grams, of a 5.00% by mass sugar water solution is needed to supply What mass, in grams, of a 5.00% by mass sugar water solution is needed to supply
Video: baroreceptors

For a complete list of videos, visit our video library