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

Which of the following best describes a central idea in the text? Story: The Treasure In the Forest A. Treasure hunting should remain in storybooks; it is a dan
A pair of flip flops is labeled $9 on the price tag. At the register, I paid $9.45. What percent of $9 is $0.45?
Read the poem "Queen of the Cats": Old Polly was a cat of unusual grace, With wide, yellow eyes and thin stripes on her face. My wife took her in on a cold, aut
At a high school, the ages of all employees during the last ten years are normally distributed. It has been calculated that 95.4% of the ages fall between 22.1
You recently discovered that your job provides a 30% matching towards your retirement. If you deposit $300 each month into a retirement account with an APR of 5
For all values of x, f(x)=2x^2 and g(x)= x+1 Solve fg(x) = gf(x)
i need help with question 16 and 17
please help me with my essay i need it rn​
Which one of the following is a part of speech that shows a relationship between a noun or a pronoun and some other part of a sentence? Adjective Pronoun Adver
QUESTION 70 at does this symbol stand for, and where are some likely places that will you find it​