Question

answer 8 9 10 quistion

Answer 1

molecular mass of CO2=12+2×16
=12+32
=44g

No.of moles=Mass given/molar mass
=220/44
=5 moles answer

since I volume of N2 reacts with 3 volume of H2
therefore, ratio =1:3

since 1 molecules of n2 reacts with 3molecules of h2
therefore
5 molecules of n2 reacts with 15 molecules of h2

10).first test tube.

this is because concentrated HCl is more powerful than dilute HCl

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