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
astra-53 [7]
3 years ago
7

A 240g hydrated sodium sulphide contains 162g of water of crystallisation. What is the correct molecular formula for this compou

nd?

Chemistry
1 answer:
den301095 [7]3 years ago
8 0
<span>A 240g hydrated sodium sulphide contains 162g of water of crystallisation. What is the correct molecular formula for this compound?
Answer is A

</span>
You might be interested in
The number of __________ in an atom’s nucleus is equal to its ___________ number?
Ann [662]
The number of protons in an atom’s nucleus is equal to its atomic number?
3 0
3 years ago
What is a substrate
Oduvanchick [21]

Answer:

a substrate is surface or material on or from an organism lives, grows, or obtains its nourishment.

Explanation:

Hey I hope this helps.....

4 0
3 years ago
What are the missing coefficients for the skeleton equation below? Cr(s) + Fe(NO3)2(aq) → Fe(s) + Cr(NO3)3(aq)
postnew [5]

Answer:

2 3 3 2

Explanation:

7 0
3 years ago
Select all of the answers that apply. what are the two main ingredients in air? oxygen carbon dioxide nitrogen helium hydrogen
RSB [31]
Carbon dioxide and nitrogen
8 0
3 years ago
Read 2 more answers
Controls are defined as ____​
wariber [46]

Answer:

The second one is the answer

4 0
3 years ago
Read 2 more answers
Other questions:
  • What is the concentration of a solution prepared by placing 20. mL of 0.12 M K2S in a graduated cylinder and pouring water until
    12·1 answer
  • Why is vigorous trituration required to prepare emulsions?
    8·1 answer
  • 3. What is meiosis?
    5·1 answer
  • Write the equation for the esterification of glycerol and three palmitic acids
    13·1 answer
  • What is a pentadihide?
    15·1 answer
  • Calculate the weight of one medium egg if a dozen medium eggs has an average weight of 21 ounces
    10·2 answers
  • What’s all stages of matter
    12·2 answers
  • How is color a physical change
    12·1 answer
  • When calcium carbonate is heated, it produces calcium oxide and carbon dioxide. The equation for the reaction is CaCO3(s) CaO(s)
    14·1 answer
  • Which of the two Lewis/electron dot structure representations, which is
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!