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monitta
3 years ago
11

How many particles are in 8.00 moles of bromine?

Chemistry
2 answers:
tester [92]3 years ago
7 0

Answer:

639.232 grams

Explanation:

Jet001 [13]3 years ago
4 0

Answer: 4.816 x 10^24 Particles

Explanation: 1mole of any substance contains 6.02x10^23 Particles

Therefore, 8 moles of bromine will contain = 8 x 6.02x10^23 = 4.816 x 10^24 Particles

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Submit What is the solubility of Cd3(POA) 2 in water? (Ksp of Cd3(PO4)2 is 2.5 x 10-33) | 1 2 3 +/- . 0 x100
vesna_86 [32]

<u>Answer:</u> The solubility of Cd_3(PO_4)_2 in water is 1.18\times 10^{-7}mol/L

<u>Explanation:</u>

The balanced equilibrium reaction for the ionization of cadmium phosphate follows:

Cd_3(PO_4)_2\rightleftharpoons 3Cd^{2+}+2PO_4^{3-}

                      3s       2s

The expression for solubility constant for this reaction will be:

K_{sp}=[Cd^{2+}]^3[PO_4^{3-}]^2

We are given:

K_{sp}=2.5\times 10^{-33}

Putting values in above equation, we get:

2.5\times 10^{-33}=(3s)^3\times (2s)^2\\\\2.5\times 10^{-33}=108s^5\\\\s=1.18\times 10^{-7}mol/L

Hence, the solubility of Cd_3(PO_4)_2 in water is 1.18\times 10^{-7}mol/L

6 0
3 years ago
How can you increase the momentum of an object?
Elena-2011 [213]
I think its B because if u increase the mass itll have more force which will increase the momentum
5 0
3 years ago
If hydrofluoric acid is a stronger acid than acetic acid, which statement is most likely true?
Alchen [17]

Answer: The statement conjugate base of hydrofluoric acid is weaker than that of acetic acid is most likely true.

Explanation:

A strong acid upon dissociation gives a weak conjugate base. This can also be said as stronger is the acid, weaker will be its conjugate base or vice-versa.

Hydrofluoric acid is a strong base as it dissociates completely when dissolved in water.

For example, HF \rightleftharpoons H^{+} + F^{-}

The conjugate base is F^{-} which is a weak base.

Acetic acid is a weak acid as it dissociates partially when dissolved in water. So, the conjugate base of acetic acid is a strong base.

CH_{3}COOH \rightarrow CH_{3}COO^{-} + H^{+}

Thus, we can conclude that the statement conjugate base of hydrofluoric acid is weaker than that of acetic acid is most likely true.

4 0
3 years ago
I need help with this!!!
scZoUnD [109]
11- Form of energy that can be reflected or emitted from objects through electrical or magnetic waves.

12-Energy that is caused by moving electric charges.

13-Energy stored in the bonds of chemical compounds.

I only know those. Sorry hoped I helped a little! :)
5 0
4 years ago
What does an electricity neutral atom have the same number of?
tiny-mole [99]

d) protons and electrons.

7 0
2 years ago
Read 2 more answers
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