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 carbo...
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ENJOY CHEMISTRY 1.SOME BASIC CONCEPTS OF CHEMISTRY Some Important Points and Terms of the Chapter 1. Anything which has mass and occupies space is called matter. 2. Matters exist in three physical states viz. solid, liquid and gas. 3. In solids, these particles are held very close to each o...
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Añadir al carritoENJOY CHEMISTRY 1.SOME BASIC CONCEPTS OF CHEMISTRY Some Important Points and Terms of the Chapter 1. Anything which has mass and occupies space is called matter. 2. Matters exist in three physical states viz. solid, liquid and gas. 3. In solids, these particles are held very close to each o...
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Añadir al carritoXI Chem Ch1 Some Basic Concepts Of Chemistry...
Class XI Chapter 1 – Some Basic Concepts of Chemistry 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)] ...
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Añadir al carritoClass XI Chapter 1 – Some Basic Concepts of Chemistry 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)] ...
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