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if 1 mole is 55.8 gr., then 2.25 moles the mass should be 55.8*2.25=125.55 gr.
Answer: 125.55 gr.
125.55g is the mass in grams of 2.25 moles of iron.
What are moles?
A mole is defined as 6.02214076 × [tex]10^{23}[/tex]of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.
[tex]Moles = \frac{mass}{molar \;mass}[/tex]
[tex]2.25 moles = \frac{mass}{55.8 g/mol}[/tex]
Mass = 125.55g
Hence, 125.55g is the mass in grams of 2.25 moles of iron.
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