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One atom of an element weighs 6.644xx10^(-23)g. Calcualte the number of gram atoms in 40kg of it. |
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Answer» Solution :Atomic mass of the element =Mass of one atom `xx0.62xx10^(23)` `=6.644xx10^(-23)xx6.02xx10^(23)=40G` 40g=40000g No. of gram ATOMS `=("Mass of the element in GRAMS")/("Atomic mass in grams")` `=(40000)/(40)=1000` |
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