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Define one mole calculate number of mole present in 5.6 gm of urea |
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Answer» Explanation: A mole corresponds to the mass of a substance that contains 6.023 x 1023 particles of the substance. The mole is the SI UNIT for the amount of a substance. Its symbol is mol. By definition: 1 mol of carbon-12 has a mass of 12 grams and contains 6.022140857 x 1023 of carbon atoms (to 10 significant FIGURES).Molar mass of urea = 60gNo.of moles = GIVEN mass/molar mass= 5.6/60 = 0.09 moles.No.of molecules = Avogadro no.of moles= 6.022×10²³×0.09 = 0.56×10²³ molecules are present.Hope you understand Please MAKE me as brainliest ✌️✌️✌️ |
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