The mass of the compound required in the given number of moles is 70.38 g.
The given parameters;
- molecular weight of the compound, Mw = 138 g
- number of moles of the compound, n = 0.51 mole
The mass of the compound that will be required in the number of moles is the product of the molecular weight of the compound and its number of moles available.
The mass of the compound required in the given number of moles is calculated as follows;
mass = moles x molecular weight
mass = 0.51 x 138
mass = 70.38 g
Thus, the mass of the compound required in the given number of moles is 70.38 g.
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