Distinguish between mole and molecule (b)calculate …
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Bindu Agarwal 7 years, 2 months ago
An atom is the basic unit of matter- a combination of protons, electrons, and neutrons. A molecule is several atoms bonded together. For example, hydrogen (H) and Oxygen (O) are atoms, but H20 (two hydrogen and one oxygen) is a molecule. A mole is simply a number.
It is 6.02214×10^23. A mole of hydrogen atoms means that there are 6.02214×10^23 hydrogen atoms. Molar Mass is the mass of 6.02214×10^23 of something. For example, 6.02214×10^23 or one mole of oxygen weighs 16 grams. 2 moles of oxygen would weigh 32 grams.
1 mole of H2O contains 6.022 * 10^23 molecules of H2O
Therefore 0.1 mole contains:- 0.1 * 6.022*10^23 = 6.022 * 10^22 molecules of H2O
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