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

Author Question: A student is told to use 20.0 grams of sodium chloride to make an aqueous solution that has a ... (Read 143 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Jul 29, 2018
A student is told to use 20.0 grams of sodium chloride to make an aqueous solution that has a concentration of 10.0 grams of sodium chloride per liter of solution.
 
  Assuming that 20.0 grams of sodium chloride has a volume of 7.5 milliliters, about how much water will she use in making this solution?
  A) 9.25 L
  B) 9.5 L
  C) 9.9925 L
  D) 10 L

Question 2

What is the molarity when water is added to 2 moles of sodium chloride to make 0.5 liter of solution?
 
  A) 8 M
  B) 4 M
  C) 5 M
  D) 2.5 M


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

DylanD1323

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


dmcintosh

  • Member
  • Posts: 517
Reply 2 on: Jul 29, 2018
Thanks for the timely response, appreciate it

amynguyen1221

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Gracias!

« previous next »
 

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?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Children make a fast adjustment to a new culture, although, as with these Hmong children in ... Children make a fast adjustment to a new culture, although, as with these Hmong children in ...
Sample Student Externship Form Sample Student Externship Form
Student Raises Hand in Class Student Raises Hand in Class
Hydration of ions in solution Hydration of ions in solution
0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL ... 0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL ...
He element M forms the chloride MCl4 containing 75.0% Cl by mass. What is the atomic weight of ... He element M forms the chloride MCl4 containing 75.0% Cl by mass. What is the atomic weight of ...
Video: Febrile Seizure

For a complete list of videos, visit our video library