R.A.M of X and Y are 28 an 56. Which of the statements below is TRUE?
A The mass of one atom X is 28 g and the mass of one atom Y is 56 g
B The mass of one mole of X is the same as the mass in one mole of Y
C The number of moles in 14 g of X is the same as the number of molesin 14 g of Y
D 2.8 g of X and 5.6 g of Y contain the same number of particles
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The answer is D
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