dsheri92sheridar
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 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

Emily filled an empty horse trough with water. The water level, in centimeters, is proportional to time elapsed, in minutes, since she began filling the trough.
Simply 3m/9m^2-1 -1/2(3m+1)
which of the following equations are equations of direct variation? choose all the apply A x - y =1, B 2-3y=0 , c xy=0 D x = -0.25y e X=1 F Y=-x+4
Name the muscle tendon and the ligament that cover the posterior femoral neck. A) Gluteus medius, iliotibial band, ischial tuberosity. B) Piriformis, greater tr
How did Tim O’Brien feel about killing a man
what is the letter to the ancient egypt
Que figuras retoricas tiene el poem “la duquesa de job”
Jacob’s favorite short story is titled “Greatest of Ease.” It’s about a circus trapeze artist recovering after a particularly nasty fall. Jacob writes a review
Widespread use of this process became practical after finding a replacement for the Klenow fragment. Fluorescent dyes allow the quantitative form of this proces
here are 63 students in the cafeteria. There are 9 students at each table. a. At how many tables are the students seated?