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vapour density of a gas is 22.what is its molecular mass?
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vapour density of a gas is 22.what is its molecular mass?
Calculating Molecular Mass from Vapour Density
Formula
Explanation
Calculation
Conclusion
Vapour density is defined as the ratio of the mass of a gas to the mass of an equal volume of hydrogen gas under the same conditions of temperature and pressure. The molecular mass of a gas can be calculated using its vapour density and Avogadro's number.
Formula
Molecular mass = 2 × Vapour density × Atomic mass of hydrogen
Explanation
The atomic mass of hydrogen is 1.008 u (unified atomic mass unit). Since the vapour density of the gas is given as 22, we can substitute the values in the formula and calculate the molecular mass.
Calculation
- Vapour density = 22
- Atomic mass of hydrogen = 1.008 u
- Molecular mass = 2 × 22 × 1.008 = 44.98 u
Therefore, the molecular mass of the gas is 44.98 u.
Conclusion
By knowing the vapour density of a gas, we can calculate its molecular mass using the above formula. This is useful in identifying the chemical composition of a gas and in determining its properties.
Community Answer
vapour density of a gas is 22.what is its molecular mass?
44 molar mass = 2* vapour density
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vapour density of a gas is 22.what is its molecular mass? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about vapour density of a gas is 22.what is its molecular mass? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for vapour density of a gas is 22.what is its molecular mass?.
vapour density of a gas is 22.what is its molecular mass? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about vapour density of a gas is 22.what is its molecular mass? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for vapour density of a gas is 22.what is its molecular mass?.
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