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sp2606 [1]
3 years ago
12

Please answer! need it soon

Chemistry
1 answer:
mario62 [17]3 years ago
6 0
Answer to what maybe I can help you
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The following substances dissolve when added to water. Classify the substances according to the strongest solute-solvent interac
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Answer: HF-dipole- dipole interaction

CH3OH- dipole-dipole interaction

CaCl2- ion-ion interaction

Explanation:

Both CH3OH and HF possess permanent dipoles which interact with water leading to the dissolution of the above named substances. Remember that water also possesses a permanent dipole. Which can interact with the dipoles on other polar molecules. CaCl2 is purely ionic and interacts with water via ion-dipole mechanism.

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25.Which of the following reaction will not take place?
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B

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1. Which of the following statements about separation techniques is correct?
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7. I have 2.50 x 1023 atoms of titanium. How many moles of titanium dol<br> have?
algol13

Answer:

0.42mole

Explanation:

Given parameters:

Number of atoms of titanium  = 2.5 x 10²³atoms

Unknown:

Number of moles  = ?

Solution:

To solve this problem, we must understand that a mole of any substance contains the Avogadro's number of particles.

              6.02 x 10²³ atoms makes up 1 mole of an atom

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3 years ago
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