0.10g of sample of an alcohol Known to contain only C, H, and O was allowed to completely reat with oxygen to produce CO2 and H2O. These products where collected separately and weighed 0.191g of CO2 and 0.172g of H2O was found, what is the empirical formula of the alcohol?

r just means there's a number of carbon in teh chain. for example rcooh means that after x number of carbon, the chain ends with cooh.

explanation:

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.