Question

Calculate the no.of molecules of So2 gas when liberated on consuming of 3mol of oxygen gas at stp. Cu2S+O2=Cu2O+SO2

Answer 1

Answer:

Total moles of SO2 formed is given as

$N = 12.04 \times 10^{23} molecules$

Explanation:

As per the given balanced reaction we have

$CU_2S + \frac{3}{2}O_2 = CU_2O + SO_2$

so we can say that 1.5 moles of oxygen will give one mole of SO2

so here we will get 2 moles of SO2 by 3 moles of O2

$n = 2 moles$

as we know that

$1 mol = 6.02 \times 10^{23}molecules$

so total molecules formed

$N = 12.04 \times 10^{23} molecules$

#Learn

Topic : Moles of reaction

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