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Anastaziya [24]
3 years ago
11

How many moles are in 2.56 of Hg​

Chemistry
1 answer:
Alexeev081 [22]3 years ago
5 0

Answer: 0.0128 moles

Explanation:

Hg is the chemical symbol for the element, Mercury.

- The molar mass of mercury is 200.6.

- The reacting mass is 2.56g

Recall that the number of moles of any substance = Reacting mass ➗ Molar mass

So, Number of moles = 2.56/200.6

= 0.0128

Thus, there are 0.0128 moles of Mercury (Hg) in 2.56g of mercury

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Answer:

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Explanation:

To solve this problem we will use Boyle,s Law. According to this law "The volume of given amount of gas is inversely proportional to applied pressure at constant temperature".

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Here the K is proportionality constant.

so,

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Given data:

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To solve this problem we have to convert the mL into L first.

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V2= P1V1/ P2

V2= 1 atm × 0.461 L / 0.92 atm

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