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
Wewaii [24]
3 years ago
7

How many moles of sodium atoms in 255 grams of na2so4

Chemistry
1 answer:
solniwko [45]3 years ago
5 0
M_{Na_{2}SO_{4}}=142\frac{g}{mol}\\
m=255g\\\\
n=\frac{m}{M}=\frac{255g}{142\frac{g}{mol}}\approx1,8mol\\\\
1,8mol*2=3,6mol \ of \ sodium \ atoms
You might be interested in
How are water and salt regulated at the organ level
aev [14]

Answer: These results show that the body regulates its salt and water balance not only by releasing excess sodium in urine, but by actively retaining or releasing water in urine.

Explanation:

5 0
3 years ago
Read 2 more answers
Compound: _________________ <br> . Found in air; contains carbon (C) and oxygen (O)
DochEvi [55]

Answer:

Explanation:

Contian power

8 0
3 years ago
Read 2 more answers
Table sugar is not a mineral because: Select one: a. it is in crystal form. b. it is made of more than one element. c. it is not
Vlad1618 [11]
C) It's not made by a geologic process
3 0
4 years ago
Which is one way that earth’s atmosphere supports life?
ivolga24 [154]

Answer:

The atmosphere protects living things on earth from the sun's harmful ultraviolet radiation.

Explanation:

keeping the earth warm, the atmosphere contains gases that enable the "Greenhouse effect", (it means that they are able to trap the heat that is reflected from the surface of the earth.)

5 0
3 years ago
What may happen to eli and his father? check all that apply
trapecia [35]

They will not have to pay any cost because the accident was not Dave’s fault, Eli will be covered by Dave’s family car insurance policy, they will be protected by the other driver’s insurance. (B,C,D)

Explanation: just answered it and it was correct.

8 0
3 years ago
Other questions:
  • Another way to say reactants is Question 4 options:
    12·1 answer
  • PLEASE HELP SOMEONE. I WOULD REALLY APPRECIATE IT A newly discovered element, X, has two naturally occurring isotopes. 93.5 perc
    11·2 answers
  • Describe the properties of the carbon atom that make the diversity of carbon compounds possible.
    6·1 answer
  • _______ is how much matter is enclosed in a certain space.
    8·2 answers
  • The following compounds containing only nitrogen and oxygen are all gases in the atmosphere with varying activities. Which one o
    7·1 answer
  • The reason iodine, I2, exists as a solid at room temperature, while bromine, Br2, exists as a liquid at the same temperature, is
    12·2 answers
  • 2) Find the volume that 2.0 moles of H2 will occupy at STP?
    11·1 answer
  • Please Help!!!!!!!!!!!!!!
    13·2 answers
  • Lable each change as chemical or physical​
    12·1 answer
  • Why is paper chromatography used for amino acids
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!