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Semenov [28]
3 years ago
5

What is the average amount of energy produced by the motion of air molecules air is call

Chemistry
1 answer:
stepan [7]3 years ago
3 0
T<span>he average amount of energy produced by the motion of air molecules is called air temperature.</span>
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What is the molarity of a solution which contains 0.80 mol of HCl in 250mL of<br> solution?
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Answer:

3.2M HCl Solution

Explanation:

Molarity = moles of solute / volume of solution expressed in liters

moles of solute = 0.80 moles HCl

volume of solution = 250 ml = 0.250 Liter

Molarity (M) = 0.80 moles HCl / 0.250 Liters = 3.2M HCl Solution

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4 0
3 years ago
Calculate the amount (in grams) of kcl present in 75.0 ml of 2.10 m kcl
Lera25 [3.4K]
V = 75 mL = 0,075 L = 0,075 dm³
C = 2.1M
n = ?
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C = n/V
n = C×V
n = 2.1×0,075
n = 0,1575 mol
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