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

what is one tenth more than 32.4
The major passage that teaches Jesus' eternal existence is found in the book of ___, chapter 1.
Use circle M shown below to answer the question
Which group of American citizens were granted suffrage that allowed them to vote for the first time in a presidential election in 1920?
3(54-5)+86What is the answer to this problem?
List two cities where Jesus ministered while in Galilee. Cana Capernaum Jerusalem Hebron
When you import products from a distant or different nation, what else comes with the products? Check all that apply. A. People B. Culture C. Ideas
What is a difference between the profit margin and the gross profit rate??
How did Wilson believe conquered empires should be treated?
Plz help urgent question below