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
White raven [17]
3 years ago
6

How many moles are there in 25 grams of copper (II) sulphate crystals, CuSO4.5H2O

Chemistry
1 answer:
kondaur [170]3 years ago
8 0
Moles = mass/molar mass of CuSO4.5H2O
 
           =    25/249.68
           =    0.1 moles.
Hope this helps!
You might be interested in
Does liquid evaporate with adding heat or losing it
Marysya12 [62]
Adding because evaporation speed is increased with increased temperature
6 0
3 years ago
On combustion of 0.2 gm of organic compound gave 0.147g of CO2, 0.12g of H2O and 74.6 ml of nitrogen gas at STP. Find emperical
zhuklara [117]

Answer:

0.2 is conpound Co2 STP.

Explanation:

on combustion of 0.2 gm of organic compound gave 0.147g of CO2, 0.12g of H2O and 74.6 ml of nitrogen gas at STP. Find emperical formula of compound.?

​

5 0
2 years ago
If the formula for a compound is represented by X3Y2 and the charge on the Y ion is -3, what is the charge in the X ion?
artcher [175]
I cannot fully remember but the charge of a compound always has to be the same.  However, I believe that the sign of the Y2 means that it is positive 2. 

so in my opinion it is in between b and c. use your best judgment. 
3 0
3 years ago
What is the number of electrons that can be held in the first orbit closest to the nucleus
Juliette [100K]
The first shell can hold up to 2 electrons, the second shell can hold up to 8 (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on.
5 0
3 years ago
Could the cuttlefish tell the difference between the blue and yellow in the lab?​
jeka94

Answer:

<em>yes</em>

Explanation:

the cuttle fish tell the difference between blue and yellow

5 0
1 year ago
Other questions:
  • What is the ph level of water?
    9·2 answers
  • One mole of particles of any substance contains how many particles?
    5·1 answer
  • The liquids hexane and water are placed in a test tube. The test tube is stoppered, shaken, and placed in a test tube rack. The
    11·2 answers
  • Electron configuration for Ar
    6·1 answer
  • Which natural law do biogeochemical cycles address?
    8·2 answers
  • Which one of the following reactions is NOT balanced?
    10·1 answer
  • For every Oion, two Na ions are needed to balance charges. Which ratio represents the relationship between Na and
    14·1 answer
  • Use the drop-down menus to identify the ocean found at each point on the map. A B C D E those are for the drop-down menu arctic
    15·2 answers
  • a diagram of the electromagnetic spectrum is shown. which wavelength is the longest safest wavelengths for humans? Helppp please
    5·1 answer
  • The basic principles of atomic theory were first conceived by:
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!