Question

How many moles of SO2 have same mass as 3 moles of oxygen?​

Answer 1

Answer:

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Answer 2

First, what is the mass of 3 moles of O2 = ?

molar mass of oxygen = 2 x 16 => 32 grams per mole.

So, 3 moles of O2 has a mass equal to 3 x 32 =>96 grams.

So, we now have to find how many moles of SO2 has a mass = 96 grams.

molar mass of SO2 = 32 + 2 x 16 => 64 grams per mole.

So, 96 grams of SO2 is 64/96 moles =>96/64 => 3/2 => 1.5 moles.

Hence, 1.5 moles of SO2 has the same mass as 3 moles of O2.