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Nostrana [21]
3 years ago
6

What is the sign of Mercury​

Chemistry
2 answers:
Sever21 [200]3 years ago
7 0

Answer:

The answer is Hg.

Explanation:

Symbol for Mercury is Hg.

kari74 [83]3 years ago
7 0
The sign of Mercury is HG
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What is the concentration (M) of CH3OH in a solution prepared by dissolving 34.4 g of CH3OH in sufficient water to give exactly
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Answer:

4.67M

Explanation:

The concentration of methanol (CH3OH) can be calculated using the following:

Molarity (M) = number of moles(n)/volume(v)

However, mole is not given. It can be obtained by using:

Mole = mass / molar mass

Where; mass = 34.4g

Molar mass (MM) of CH3OH is:

= 12 + 1(3) + 16 + 1

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mole = 34.4/32

mole = 1.075mol

The volume needs to be converted to L by dividing by 1000

230mL = 230/1000

= 0.230L

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Molarity = 1.075/0.230

Molarity = 4.6739

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The concentration of CH3OH in solution is 4.67M

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