Question

what mass of c2h5cl can be produced from 13.55 g of c2h6 and 25.00 g of cl2?

Answer 1

C₂H₆ molecular weight = 30.07 g/mol

C₂H₅Cl molecular weight = 64.51 g/mol

to produce C2H5Cl we need 2:1 ratio of C2H6 and Cl2

13.55 g of C2H6 = 0.45 mole

25 g of Cl₂ = 0.35 mole

since the C₂H₆ is present in lesser quantity it is the limiting reagent, means reaction will be completed when C₂H₆ is completely consumed

therefore we want calculate the C₂H₅Cl produced from C₂H₆

then

therefore

30.07 g of C₂H₆ will give 64.51 g C₂H₅Cl

13.55 g of C₂H₆ will produce how much grams of C₂H₅Cl

this can be obtained by cross mutiplying

30.07 = 64.51

13.55 = ?

grams of C₂H₅Cl produced = 13.55 x 64.51 / 30.07 = 29.06 g

therefore 13.55 g of C₂H₆ can produce 29.06 g of C₂H₅Cl