Question

a mixture is prepared by mixing 10g of H2SO4 and 40g of SO3.calculate the % labelling of oleum?

Answer 1

Formulae for formation of oleum.

H₂SO₄(aq) + SO₃(g) —> H₂S₂O₇(l)

The molar mass of oleum :

2 + 64 + 112 = 178g

The mass of Oleum formed is :

10 + 40 = 50g

50/178 × 100 = 28.09%

= 28.09%

Answer 2

Your answer is Refer To The Attachment. Hope you will get it.

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