Calculate the number of MOLES in 4 gms of OXYGEN.
(O = 16u)
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Answer:
To calculate the number of molecules in 4g of oxygen, we have, Moles of oxygen = 4/32 = 0.125mol, Molecules of oxygen = 0.125 * 6.022 * 10^23 = 7.52 * 10^22.
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moles = given mass /molar mass
Moles of oxygen = 4/32 = 0.125mol,
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