MaelynLoch MaelynLoch

07-04-2016
Chemistry

contestada

A saline solution with a mass of 400 g has 30 g of NaCl dissolved in it. What is the mass/mass percent concentration of the solution?

Respuesta :

Willchemistry Willchemistry

08-04-2016

(g solute/g solution)*100 = % mass/mass

30 g / 400 * 100

0,075 * 100

= 7,5% w/w

hope this helps!

Answer Link

Otras preguntas

Which shows the order in which vertebrates evolved?

Which word refers to group of lawmakers A. Economy B. Assembly C. Indentured Servants

Jane’s starting annual salary is $45,520. At the beginning of each new year, she receives a $1,580 raise. What will her salary be after 11 years?

Write the plural for each of the following: la mujer el chico la cama el abuelo el estudiantes

Can someone plz help me?

Desinteresado es una palabra derivada compuesta o parasintetica

Please help with answers.

Sometimes lobbyists providing money can affect legislators behavior when it comes time to vote on policies Group of answer choices A True B False

The system of checks and balances ensures that governments have absolute authority over citizens. governments will never have power over the people. each branch

need help ASAP Write a sentence that begins an adjective phrase. Be sure to punctuate it properly!