H = 1.008 S = 32.065 O = 16

So mass of H2 SO4 will certainly be : (2x1.008) + (1x32.065) + (16x4)

= 98.081 g/mole

This mirrors that 1 mole of H2So4 contain 98 grams.

You are watching: What is the mass of oxygen in 250g of sulfuric acid h2so4

Now we must fin out the no. Of mole of H2SO4 in 250 grams

250 g x (1mole/250g)

= 2.5489 moles

Now we need to uncover out how plenty of moles that oxygen are current in 2.5489 mole of H2SO4.

So, as discussed in the formula the H2SO4, we can see that 4 moles of oxygen are existing in one mole of H2SO4

It way that 2.5489 moles of H2SO4 contain:

2.5489 x4

= 10.19565 mole of oxygen

Now, that is very straightforward to identify the massive of 10.19565 moles of oxygen by making use of the formula:

no. That mole= mass/molar mass

10.19565 moles= X/ 16 g

10.19565 x 16= X

X= 163.13 grams

Therefore, fixed of oxygen in 250 g of H2SO4 is 163.13 grams

Hope the help!


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Answer from: lee1817
250g H2SO4 x 1moleH2SO4/ 98g mole H2SO4 x 4moles Oxygen/1moleH2SO4 x 1moleOxgen/16g Oxygen = 163.27g Oxygen my figures aren"t exactso it"s 160g
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