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puteri [66]
3 years ago
11

For molecules with similar molecular weights, the dispersion forces become stronger as the molecules become more polarizable. fo

r molecules with similar molecular weights, the dispersion forces become stronger as the molecules become more polarizable.
a. True
b. False
Chemistry
1 answer:
sweet [91]3 years ago
8 0
True ncifjfjedkxkcnnfenskxkcjcndnenejskkxcfenen
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Calculate the molarity 20ml of 3.5 m kci in to a final volume of 100 ml​
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Answer:

Molarity =  0.7 M

Explanation:

Given data:

Volume of KCl = 20 mL ( 0.02 L)

Molarity = 3.5 M

Final volume = 100 mL (0.1 L)

Molarity in 100 mL = ?

Solution:

Molarity = number of moles of solute / volume in litter.

First of all we will determine the number of moles of KCl available.

Number of moles = molarity × volume in litter

Number of moles = 3.5 M × 0.02 L

Number of moles = 0.07 mol

Molarity in 100 mL.

Molarity = number of moles / volume in litter

Molarity =  0.07 mol /0.1 L

Molarity =  0.7 M

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