3295.1 g iron (II) phosphide of Fe₃P
Explanation:
To solve this question we use the Avogadro's number which tell us that in 1 mole of a substance we have 6.022 × 10²³ particles.
In our chase for iron (II) phosphide (Fe₃P) we have:
in if 1 mole of Fe₃P we have 6.022 × 10²³ formula units
then in X moles of Fe₃P we have 1.0 × 10²⁵ formula units
X = (1 × 1.0 × 10²⁵) / (6.022 × 10²³)
X = 0.1661 × 10² = 16.6 moles of Fe₃P
number of moles = mass / molecular weight
mass = number of moles × molecular weight
mass of Fe₃P = 16.6 × 198.5 = 3295.1 g
Learn more about:
Avogadro's number
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