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Mashcka [7]
3 years ago
15

Is the formation of acid rain an exothermic or endothermic reaction?

Chemistry
1 answer:
Monica [59]3 years ago
4 0
It is an exothermic reaction
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Calculate the volume of a 0.5M solution containing 20g of NaOH
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Answer:

1L

Explanation:

First, let us calculate the number of mole present in 20g of NaOH. This is illustrated below:

Mass = 20g

Molar Mass of NaOH = 23 + 16 + 1 = 40g/mol

Number of mole =?

Number of mole = Mass /Molar Mass

Number of mole of NaOH = 20/40 = 0.5mol

From the question given, we obtained the following data:

Molarity = 0.5M

Mole = 0.5mole

Volume =?

Molarity = mole /Volume

Volume = mole /Molarity

Volume = 0.5/0.5

Volume = 1L

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