Solution:
Since, 6.023 x 10^23 formula units contains 1 mol of MgCl2
Hence, 2.40 x 10^22 formula units of MgCl2 contains,
= (2.40 x 10^22 ) (1 mol / 6.023 x10^23) = 0.03985 mol
Thus,
Mass of MgCl2 = Number of moles x Molar mass of MgCl2
= 0.03985 mol x 95.211 g mol-1
= 3.794 g = 3.80 g
What is the mass in grams of 2.40 x1022 formula units of magnesium chloride? The molar...
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