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Mass of one atom of X is 2.66 x 10⁻²³ g, then its 32 g is equal to
Options
(a) 32 x 2.66 x 10⁻²³ mol
(b) 32 / (2.66 x 10⁻²³ x 6.023 x 10²³) mol
(c) (32 x 2.66 x 10⁻²³) / (6.023 x 10²³) mol
(d) none of the above
Correct Answer:
32 / (2.66 x 10⁻²³ x 6.023 x 10²³) mol
Explanation:
Mass of one atom = 2.66 x 10⁻²³
Atomic Mass =2.66 x 10⁻²³ x 6.02 x 10²³ g mol⁻¹
No. Moles in 32 g = 32 / Atomic Mass
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Basic Concepts of Chemistry
(94)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The IUPAC name of tert-butyl alcohol is
- Which one of the following acids would you expect to be the strongest
- If Nₐ is Avagadro number then number of valence electrons in 4.2g of nitride
- The number of unpaired electrons in 1s² 2s² 2p³ is
- Which of the following is used in refrigerant
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Basic Concepts of Chemistry (94)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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