(Answered) Question what mass of solid cao is needed to remove the

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Question: What mass of solid CaO is needed to remove the sulfur dioxide from 1.0 *10^6 m^3 of air having an SO2 concentration of 1.5*10^-9 M ? Assume that the reaction leading to removal of the sulfur dioxide is:

CaO(s)+SO₂(g) -> CaCO₃(s)

a) 56g

b) 96g

c) 37g

d) 84g

e) 43g

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