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Class XI Chapter 1 – Some Basic Concepts of Chemistry, XI Chem Ch1 Some Basic Concepts Of Chemistry & 1.SOME BASIC CONCEPTS OF CHEMISTRY. Package deal solution 2023 updated
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Calculate the molecular mass of the following: (i) H2O (ii) CO2 (iii) CH4 Answer H2O: The molecular mass of water, H2O = (2 × Atomic mass of hydrogen) + (1 × Atomic mass of oxygen) = [2(1.0084) + 1(16.00 u)] = 2.016 u + 16.00 u = 18.016 = 18.02 u CO2: The molecular mass of carbon dioxide, CO2 = (1 × Atomic mass of carbon) + (2 × A
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