dsheri92sheridar dsheri92sheridar

02-03-2017
Chemistry

contestada

Calculate the mass of NaCl needed to make 40% solution from 3kg of water ? Could you explain step by step please :-)

Respuesta :

BodaciousT BodaciousT

02-03-2017

Ok so 40 percent of 3000 grams which is 3 kg is 1200 grams
So you would need 1.2kg or 1200 grams to make a 40% solution

Answer Link

Otras preguntas

You are starting a lawn care business. Which of the following would be a needed land resource? Lawns Oil Lawnmower Hedge clippers

1. Choose the definition below that matches the bold word in the following sentence: The picnic plans were ANNULLED because of bad weather. >enhanced >inc

7h (67-9x) 7 if h=5 and x=8

Rachael is observing a few slides taken from a female orangutan. She observes an ovarian slide where all the cells show chromosome tetrads in synapses. Which s

suffix word that ends with or

What is the relationship between to two sevens in the number 277,180

if you become a popular athlete,what will you do or share to your school?

Can anyone explain this plz? \frac{g+7}{4} =3

4. The figure represents a ramp. Find the height of the ramp. a. /2 m b. 2 m c. 4 m d. 8 m

If you wanted to describe an increase in volume to your class which of the following objects would be the best item to use? A) a wooden box with holes B) a rock