analysis of 7.5 g of an substance gives the following results...?

Question

2,4g of Carbon
0,3g of hydrogen
4,8g of oxygen

use the informaiton aboveto show that this substance onlyu contains these three elements.

can you write the equation!!

thanks

Answer 1

Add up the weights and you get 7.5.

As for the equation, there are 2.4/12 = 0.2 moles C, 0.3/1 = 0.3 moles H, and 4.8/16 = 0.3 moles O.

Thus, the empirical formula for the substance is C2H3O3.