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

Author Question: Calculate the molality of a 21.6 (by mass) aqueous solution of phosphoric acid (H3PO4 ). A) 2.81 ... (Read 159 times)

OSWALD

  • Hero Member
  • *****
  • Posts: 580
on: Aug 27, 2018
Calculate the molality of a 21.6 (by mass) aqueous solution of phosphoric acid (H3PO4 ).
 
  A) 2.81 m
  B) 276 m
  C) 5.62 m
  D) 1.41 m
  E) The density of the solution is needed to solve the problem.

Question 2

Which of the following is a positive association with the study of chemistry?
 
  A) Chemistry is relevant to our daily lives.
  B) Chemistry offers career opportunities.
  C) Chemistry has biomedical applications.
  D) Chemistry benefits society.
  E) all of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

E


OSWALD

  • Member
  • Posts: 580
Reply 2 on: Aug 27, 2018
Excellent

fatboyy09

  • Member
  • Posts: 358
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Structures formed by phospholipids in an aqueous environment: Micelle Structures formed by phospholipids in an aqueous environment: Micelle
How to calculate regular payments or deposits using the annuity formula (Question 1) How to calculate regular payments or deposits using the annuity formula (Question 1)
Solution to Physics problem Solution to Physics problem
Evaluate: With solution. Evaluate: With solution.
Which of the following is a solution? Which of the following is a solution?
What is the pH of the solution? What is the pH of the solution?
Video: Resting membrane potential - electrical polarity and maintenance requirements

For a complete list of videos, visit our video library