The number of mole of gallium is 1.45 moles
Mole is related to the mass and molar mass of an element according to the following equation:
Mole = mass /molar mass
With the above formula, we can obtain the number of mole of gallium. This can be obtained as follow:
Mass of gallium = 101 g
Molar mass of gallium = 69.72 g/mol
Mole of gallium =?
Mole = mass /molar mass
Mole of gallium = 101 / 69.72
Mole of gallium = 1.45 moles
Therefore, the number of mole of gallium is 1.45 moles
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