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
jolli1 [7]
2 years ago
14

Find the number of CoCl2 units present in a 0.78 mol sample.

Chemistry
1 answer:
stich3 [128]2 years ago
5 0

\qquad\qquad\huge\underline{{\sf Answer}}

Here we go ~

1 mole of \sf{ COCl_2} has 6.022 × 10²³ molecules of the given compound.

So, 0.78 mole of \sf{COCl_2} will have ~

\qquad \sf  \dashrightarrow \: 0.78 \times 6.022 \times 10 {}^{23}

\qquad \sf  \dashrightarrow \:  \approx4.7 \times 10 {}^{23}  \:  \:  \: molecules

You might be interested in
I have no idea pls help ty 11 points
Yanka [14]

Happy Holidays! :)

\large\boxed{\text{Water.}}

Looking at the information given in the description, the experiment is testing for the effects of the different salts on the growth of the plants.

This means that the type of salt is the independent variable,  or the variable being manipulated and tested.

To ensure fair results, some parts of the experiment would need to be kept the same, which is the control. The only answer choice that makes sense in this instance is A. water.

5 0
3 years ago
Read 2 more answers
Explain why lithium fluoride is a solid at room temperature
SashulF [63]
Lithium fluoride is a solid at room temperature because it is a salt that is held together by ionic bonds. Lithium. fluoride has a giant ionic structure.
8 0
3 years ago
Find the volume of a rectangular prism that is<br> 25 cm by 10 cm by 15 cm.<br> height<br> length
Stolb23 [73]

Answer:

3750 cm.

Explanation:

You multiply the three side measurements to find the volume.

25cm·10cm·15cm

375cm·10cm

3750 cm.

<em><u>Hope this helps!</u></em>

4 0
3 years ago
Read 2 more answers
How many particles would be found in a 1.224 g sample of K2O
lbvjy [14]

Answer:

9.96*10^21

Explanation:

Molar mass of K2O=29*2+16

= 74g per mol

number of moles in the sample= 1.224/ 74

=0.1654

Number of particles in 1 mole=6.0221409*10^23

Number of particles= 0.01654*6.0221409*10^23

=9.96*10^21

4 0
3 years ago
Read 2 more answers
HELP When 400 J of heat is added to 5.6 g of olive oil at 23*C, the temperature increases to 87*C. What is the specific heat of
babunello [35]

Q=mc*temperature change

400=5.6/1000*c*(87-23)

c=1160.07J/kg/k

4 0
3 years ago
Other questions:
  • A better picture of the crossword
    10·2 answers
  • Consider a three sequentially stepped process named as Process A, Process B and Process C. Input comes into Process A. Output fo
    14·1 answer
  • A geologist finds ripples preserved in ancient sedimentary rock that look just like ripples made by water in mud. He concludes t
    14·1 answer
  • The structures of TeF4 and TeCl4 in the gas phase have been studied by electron diffraction.
    13·1 answer
  • Calculate the molarity of a solution that contains 200 g of copper (II) chloride( CuCl2) in 150 mL of solution.
    5·1 answer
  • HELP Which type of circuit would be best to use for lights used for decorations?
    13·1 answer
  • Calculate the pH of a solution on mixing 0.1 M (50 mL) Ch3cooh and 0.1M(50 mL) Naoh<br>Ka= 0.00005​
    14·1 answer
  • Help meeeeeeeeeeeee its impossibleeeeee
    6·2 answers
  • Can covalent compounds usually dissolve in water? *
    5·1 answer
  • A sample of carbon monoxide and oxygen gasses are
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!