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Aleks [24]
3 years ago
13

How many doubtful digit(s) is/are allowed in any measured quantity?

Chemistry
1 answer:
Mnenie [13.5K]3 years ago
3 0

Answer:

zero

Explanation:

I I think one should be so accurate with measurements and experiments

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Hydrogen gas is collected over water at 21 degrees Celsius. At 21 degrees Celsius the vapor pressure of water is 18.7 torr. If t
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Answer : The pressure of hydrogen gas is, 739.3 torr

Explanation :

As we are given:

Vapor pressure of water = 18.7 torr

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Now we have to calculate the pressure of hydrogen gas.

Pressure of hydrogen gas = Barometric pressure - Vapor pressure of water

Pressure of hydrogen gas = 758 torr - 18.7 torr

Pressure of hydrogen gas = 739.3 torr

Therefore, the pressure of hydrogen gas is, 739.3 torr

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