Grade 10Inorganic Chemistry
HOW MANY MOLES OF OXYGEN ARE IN 2.8DM3 AT STP?
HOW MANY MOLES OF OXYGEN ARE IN 2.8DM3 AT STP?
1 Answer
Pankaj
Hi Pallavi,
1 dm3 = 1L
so,
2.8 dm3 of oxygen = 2.8 L of oxygen.
Now we know tthat at STP,
1 mole of any gas = 22.4 L
or 22.4 L = 1 mole
so, 2.8 L = (1/22.4) x 2.8 = 0.125 mole
1 dm3 = 1L
so,
2.8 dm3 of oxygen = 2.8 L of oxygen.
Now we know tthat at STP,
1 mole of any gas = 22.4 L
or 22.4 L = 1 mole
so, 2.8 L = (1/22.4) x 2.8 = 0.125 mole
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