emroeser emroeser

01-11-2016
Chemistry

contestada

How many g of nacl do need to make 1.00L of 2.5% w/v solution of nacl in water?

Respuesta :

Willchemistry Willchemistry

03-11-2016

2.5 % w/v ( that means we have 2.5 grams of solute in 100 mL solution )

1.00 mL = 1000 mL therefore:

2.5 g ------------- 100 mL
?? --------------- 1000 mL

1000 x 2.5 / 100 => 25.0 g of NaCl

Answer Link

Otras preguntas

Which function is equivalent to y = 16^0.5x?

The name of the Great Lake that is farthest north is Lake _____. A : Erie B : Michigan C : Ontario D : Superior

how much is 5/8 of 32?

Two numbers add to 218. The first is 47 less than the second. What are the numbers

What tool is used to provide a lot of numerical information in a very small area?

To protect freedom of religion what did the founders establish

Krishne wants to measure the mass and volume of a key. Which tools should she use? a balance and a beaker of water a balance and a meter stick a beaker of wate

Rue or false? drugs that neutralize pili discourage attachment of bacteria to tissue. true false

please answer in complete sentence with explanation

You and your friend are selling tickets for the orchestra concert. On Thursday, you sold 15 tickets and your friend sold 10 tickets. a. What percent of the tick