Chemistry, 18.06.2021 21:10 SoccerHalo
How many moles of oxygen molecules are there in 24 dm3 of air at r. t.p.? Assume air is 20% oxygen?
What mass of sodium hydroxide is there in 35 cm3 of a 2 mol / dm3 solution of sodium hydroxide?
How many oxygen atoms are there in 4.9 g of H2SO4?
plz answer these, it's so important!!
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How many moles of oxygen molecules are there in 24 dm3 of air at r. t.p.? Assume air is 20% oxygen?...
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