cheno250454 cheno250454

23-05-2020
Chemistry

contestada

What is the percent by mass of a solution that contains 25 g KNO3 in 400.0 g H2O?

Respuesta :

Goodgraded Goodgraded

23-05-2020

Answer: 5.9%

Explanation:

Edge!

Answer Link

Whybrowhy Whybrowhy

24-05-2020

Answer:

5.9

Explanation: use the formula mass % = mass of solute/mass of solution x 100

add 400g of H2O and 25g of KNO3 to get your mass of solution which is 425

Then device 25/ 425 and multiply by 100 to get 5.88 which rounds to 5.9

Answer Link

Otras preguntas

What is 10 3/17 as a improper fraction

la familia lexica de leche

Which of the following would be an implied power in the Constitution? (2 points) 1.Creating the Armed Forces 2.Regulating the Internet 3.Printing new currency 4

Can an oligarchy include representative democracy. Please explain why or why not.

According to a label there are 25 cals per serving of turkey lunch meat. How many cals are there in 2.5 servings?

One week, Abigail earned $396.80 at her job when she worked for 16 hours. If she is paid the same hourly wage, how many hours would she have to work the next we

The Agricultural Revolution:

Pigs and camels were first domesticated in the Middle East. These animals then spread to Africa and Asia due to a mass-migration out of the Middle East. What ha

I need help please asap

Solve the system of equations by the substitution methody = 3x + 7y = 5x + 8