Mass of one atom of the element A is 3.9854×10^-23 g. How many atoms are contained in 1g of element A is?
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1 atom = 3.9854×10⁻²³g
x atoms = 1g
x = 1/(3.9854×10⁻²³)
x = 0.250 × 10²³
x = 2.50 × 10²² atoms
2.50 × 10²² atoms of A is contained in 1g of element of A
x atoms = 1g
x = 1/(3.9854×10⁻²³)
x = 0.250 × 10²³
x = 2.50 × 10²² atoms
2.50 × 10²² atoms of A is contained in 1g of element of A
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