One atom of an element X weight 6.644 into 10 to the power minus 23 gram calculate the number of Gram atom in 40 kg of it
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Mass of 1 atom =6.664 into 10 to the power minus 3 gram. 1 gram atom is equal to mass of one mole atoms is equal to 6.023*10-23 * mass of 1 atom. 6.023 * 10 to the power 23 into 6.664 into 10 to the power minus 2 3 is equal to 40.13 gram is equal to 0.004 kg .so the number of Gram atoms is 40 kg = 1000
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