Question

Extension- This one has an extra twist to it!.
7.A hydrocarbon has 80% carbon and 20 %hydrogen.
a) Calculate its empirical formula.

b) When the mass of a single molecule of this compound was analysed, it was
found to have a mass of 30g.

What must the true (molecular) formula of this substance be. (You will have to think about this) Level 7/8

Answer 1

Answer:

the university of California Berkeley school me know what you think yo I don't understand

Answer 2

Explanation:

first carbon 80 divide by 100 and then divide by its atomic number you get 0.066666667 and in hydrogen 20 divide by 100 you get 1 divide by its atomic number you get 20

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