oshaalkheyaili oshaalkheyaili

04-06-2017
Chemistry

contestada

A student prepared a solution of NaCl by dissolving 55.0g of sodium chloride in 570 mL of water. What is the percent by mass of the NaCl solution?

Respuesta :

dec77cat dec77cat

04-06-2017

m(NaCl)=55.0 g
v=570 ml
ρ=0.9982 g/ml

m(H₂O)=vρ

w=m(NaCl)/[vρ+m(NaCl)]

w=55.0/[570*0.9982+55.0]=0.0881 (8.81%)

Answer Link

Otras preguntas

A dog has a total of 78 chromosomes. Through the process of meiosis, new cells are created. How many chromosomes would the parents' cells have?

2: Write an equation for the line in slope-intercept form.

What influences ionisation energy

What is the side lengths, in inches, of a cube with a volume of 11 cubic inch?

Please Help!!!!! I'll give Brainiest if u can help me!!! ASAP

In 1960, which form of discrimination did college students protest by staging a sit-in at a woolworth’s store in north carolina?.

What’s the mean of 4 7 5 4 8 2

teh face of a circular game token has an area of 10pi cm to the second power. what is the diameter of the coin token. round to the nearest hundredth of a centim

I need the correct answers help pls

Question 2 of 5 What does the theory of evolution state? O A. Individual organisms adapt to their environment throughout their lives. B. Living things on Earth