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8.2 L of an ideal gas weight 9.0 gm at 300 K and 1 atm pressure. The molecular mass of the gas is
Options
(a) 9
(b) 18
(c) 27
(d) 36
Correct Answer:
27
Explanation:
PV = nRT = (m / M) RT ⇒ M = mRT / PV = (9.0 × 0.0821 × 300) / (1 × 8.2) = 27
Related Questions: - Phenol is heated with pthalic anhydride in the presence of concentrated H₂SO₄.
- Which of the following has tetrahedral
- Heat produced on burning 6.3 g of a fule raises the temperature of 1.5 kg
- A dibromo derivative of an alkane reacts with sodium metal to form an alicyclic
- when a manganous salt is fused with a mixture of KNO₃ and solid NaOH
Topics: States of Matter Gases and Liquids
(80)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Phenol is heated with pthalic anhydride in the presence of concentrated H₂SO₄.
- Which of the following has tetrahedral
- Heat produced on burning 6.3 g of a fule raises the temperature of 1.5 kg
- A dibromo derivative of an alkane reacts with sodium metal to form an alicyclic
- when a manganous salt is fused with a mixture of KNO₃ and solid NaOH
Topics: States of Matter Gases and Liquids (80)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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