You have the following data for the mass percent of a compound. Calculate
the empirical formula for this compound.
39.6 % K
27.9 % Mn
32.5 % O

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2