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Graham's Law and Stoichiometry Problems

Question #1

C2H2Br4 + 2Zn ----> C2H2 + 2ZnBr2

How many grams of ZnBr2 are produced from 125g of C2H2Br4?
Formula Weights are, H=1.01 C=12.0 Zn=65.4 Br=79.9

Question #2

Which gas molecules diffuse faster, NH3 (ammonia) or C3H8(propane)? Why? Whose Law is applied here?

Solution Summary

Graham's Law and Stoichiometry Problems are solved with full working.

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