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

Writhed the following in scientific notation 4025000

What are possible actions that a country, or an organization such as the United Nations, might take against a country that has egregious human rights violations

How do pain relievers work

Write an equation for the line that is parallel to the given line and that passes through the given point. y = –5x + 3; (–6, 3) A) y = –5x – 27 B) y =

does shingles reproduce via lytic or lysogenic?

Use the expression to answer the question. 12 - 3(t - 1) What is the value of the expression for t=5?

Which polynomial is equivalent to (2h − 3k)(h + 5k)? A) 2h2 + 7hk − 15k2 B) 2h2 − 7hk − 15k2 C) 2h2 + 7hk + 15k2 D) 2h2 − 7hk + 15k2

How does velocity differ from speed? What changes in motion can result in a change in velocity?

I Need Help With 9 And 10Please Help

a crater is shaped like a bowl and filled with water which sentence best describes the crater A) it is a concave B) it is neither concave nor convex C)it is co