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

pls help (20 points)

A point is plotted on a number line at −4.8 A second point is plotted at 6.3. What is the length of the line segment joining these points? pls someone answer i

Nqz-ddjt-wav join for fun everyone

How does Robby solve Keith's problem?

what is the answer of this?

9. Select the options that best describe a LIMITED GOVERNMENT. (SELECT ONLY 4. You will not earn any points if you select more than 4.) (Civics NAEP: ID. Govern

Which equation represents a nonlinear Function 2y = 1/2x + 5 y = 1/2x - 5 3y = 1/2x + 5 4y = (1/2)^x -5

Newton’s third law of motion on a flying chair swing ride

Kianna is writing an essay for her ELA class on freedom of speech and the right to protest. She claims that everyone is protected under the First Amendment to p

What ............. do tonight, eat out or stay in?