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How many moles are 8 gm of oxygen atom?also calculate the number of atoms in 8 gm of oxygen |
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Answer» Answer: No of moles GIVEN mass/molar mass 8/16 0.5/mol is the ans no of particles = no of moles × Avogadro number 0.5 ×6.022×10^23 5×6.022×10^22 30.11×10^22 3.011×10^23 remember when we SHIFT decimal to RIGHT SIDE the power will be subtracted and when we shift it to left power will be added. that's what I have done in second STEP where I have to find no of particles hope this will help you☺️ |
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