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3 years ago

Determine the molar mass of CuSO4×5H2O

1 answer:

7 0

248.72 g/mol

CuSO4 has a molar mass of 159.62. H2O has a molar mass of 18.02, which is multiplied by 5 to reflect the 5 H2O molecules.

159.62+5(18.02)=249.72 g/mol

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What is a molecular orbital? Question 3 options: Another method of describing the orbitals of individual atoms A mixing of the a

tensa zangetsu [6.8K]

Answer:

An area around a molecule that describes a region of space where the electrons that are shared between bonded atoms can reside

Explanation:

A molecular orbital is an area around a molecule that describes a region of space where the electrons that are shared between bonded atoms can reside.

Molecular orbitals are formed by linear combination of atomic orbitals of about the same energy. The number of atomic orbitals that are combined to give molecular orbitals is the same as the number of molecular orbitals formed. The build up of electrons in molecular orbitals also follow the Aufbau principle, Hund's rule and Pauli exclusion principle.

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3 years ago

If the hydrogen ion concentration, (H+), in a solution is 5.39 x 10-8 M,

FrozenT [24]

Answer: 1.86*10^-7M

Explanation:

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3 years ago

By mistake, you added salt instead of sugar to the<br> oil. How can you remove the salt?

Ghella [55]

Explanation:

To remove the salt from the oil, I will add water to dissolve the salt from it.

Oil is an organic molecule that is non-polar

Salt is polar ionic compound

Salt will not dissolve in the oil.

Take the mixture.
Add water to it.
Water and oil are immiscible
Shake the new heterogeneous mixture vigorously.
leave to settle.
Oil will come on top of the water.
You can skim off the oil layer on top.
Then heat the water and salt solution.
This leaves the oil behind.

learn more:

Mixture brainly.com/question/1832352

#learnwithBrainly

5 0

4 years ago

Read 2 more answers

Step 2: Now that you have counted the atoms on each side, add coefficients to balance the equation. Check your work by updating

Alja [10]

Answer:

The answers to your questions are given below.

Explanation:

__ NaBr + CaF₂ —> __ NaF + CaBr₂

The above equation can be balance as follow:

NaBr + CaF₂ —> NaF + CaBr₂

There are 2 atoms of F on the left side and 1 atom on the right side. It can be balance by writing 2 before NaF as shown below:

NaBr + CaF₂ —> 2NaF + CaBr₂

There are 2 atoms of Na on the right side and 1 atom on the left side. It can be balance by writing 2 before NaBr as shown below:

2NaBr + CaF₂ —> 2NaF + CaBr₂

Now, the equation is balanced.

Atom >>>> Reactant >>>> Product

Na >>>>>> 2 >>>>>>>>>>> 2

Br >>>>>>> 2 >>>>>>>>>>> 2

Ca >>>>>> 1 >>>>>>>>>>>> 1

F >>>>>>> 2 >>>>>>>>>>>> 2

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3 years ago

Ii) During burning, elements in the coal are<br> converted to compounds called ????

elena-s [515]

Answer:

Gasification refers to the conversion of coal to a mixture of gases, including carbon monoxide, hydrogen, methane, and other hydrocarbons, depending on the conditions involved.

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3 years ago