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Answer to Question #17905 in Other Chemistry for akash anand

Question #17905
weight of 1 atom of an element is 6.644 into 10 power -23 gram .Calculate gram atom of element in 40 kg
Expert's answer
We must know how many atoms is in 40 kg.
N = 40000 g / 6.644 * 10^ -23 = 6020 * 10^23 atoms
gramatom is 6020*10^23 / 6.02*10^23 = 1000 g atom

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Comments

Assignment Expert
05.06.14, 15:19

N = 8000 g / 6.644 * 10^ -23 = 1.204 * 10^26 atoms

David
01.06.14, 12:56

1 atom of an element x weight 6.64 x 10^-23 calculate the no. of grams atoms in 8kg of it

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