1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ivan
4 years ago
10

We dissolve 93 grams of sodium sulfate (Na2SO4) in 20 grams of water. What is the percent by mass of sodium sulfate in this solu

tion? Answer in units of %.
Chemistry
1 answer:
dlinn [17]4 years ago
4 0
It should be for the total solution of 93 plus 20 grams which is 113 grams so 93 divided by 113 grams comes to 82.3% sodium sulfate and this can be checked by multiplying 113 grams by 0.823 which results in 93 grams of sodium sulphate. 
You might be interested in
Describe the relationship between predator and prey in a balanced ecosystem. Please hellppp.
Umnica [9.8K]

Answer:without predators, to keep prey from producing too many and over eating, the ecosystem suffers as there isn’t enough for the prey themselves to eat.

Explanation:

3 0
3 years ago
What is it called when an enzyme changes shape
7nadin3 [17]

Answer: Induced Fit

Explanation: The process wherein the enzymes change their shape is called as induced fit. It is the precision aligning of enzymes essential for catalytic activity which is caused by the binding of the substrate as enzymes possess active sites. Hence, as the substrate approaches the enzymes, the enzyme alters its shape.

4 0
2 years ago
Which of the following is a characteristic of all chemical changes?A. A different state of matter is produced. B. Some mass is c
blagie [28]
Letter A is the characteristic of all chemical change
8 0
3 years ago
What tools did you use to collect your data? 1.20 Lab: Earth's Surface Processes.
Lyrx [107]

Answer:

I don't know because I don't know about chemistry

6 0
2 years ago
5. This particle has a positive charge<br> O Protons<br> Neutron<br> Electron
Fynjy0 [20]
Protons have a positive charge
Neutrons are neutral
Electrons have negative charge
8 0
3 years ago
Read 2 more answers
Other questions:
  • A chemist mixes 1.00 g CuCl2 with an excess of (NH4)2HPO4 in dilute aqueous solution . He measures the evolution of 670 J of hea
    10·1 answer
  • If 0.756L of gas exerts a pressure of 94.6kPa, what would the volume be at standard pressure (101.33kPa)?
    13·1 answer
  • When very electronegative atoms , like oxygen , bond to atoms with lower electronegativity , like hydrogen , what's the result?
    11·1 answer
  • A certain substance X has a normal boiling point of 134.5°C and a molal boiling point elevation constant =Kb1.36·°C·kgmol−1 . Ca
    6·1 answer
  • Which of the following types of electromagnetic radiation have higher frequencies than visible light and which have shorter freq
    14·1 answer
  • Is it physical change or chemical change when you smooth a wood chair with sandpaper?
    14·1 answer
  • Why sodium chloride has a hiegher melting point​
    15·1 answer
  • How many grams of calcium chloride would be dissolved in 1.0L of a 0.10m solution of calcium chloride?
    7·1 answer
  • C4H10 + 02 ➡️ H20 + CO2<br> balance the equation
    14·1 answer
  • How is graphite structured?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!