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how many atoms are present in 0.9g of aluminum and 0.8g of iron ( give atomic mass of AL=24 amu and Fe=56 amu |
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Answer» no of moles of ATOMS PRESENT in 9 grams of aluminium is 0.33 moles. mole of a substance contains 6.022×10 atoms/molecules so 0.014324 moles will CONTAIN 0.014324×6.022×10 atoms. i.e 0.086259×10 atoms of IRON which is approximately equal to 86.259×10 atoms. |
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