A solution containing 80.5G of ascorbic acid dissolved in 210g of water has a volume of 238ml. Calculate the mass percent and the molar it's of the solution

True, the standard unit for volume is liters which can be represented by either a lower case "l" or a capital "l"

Ibelieve it is b. proton.hope my answer has you : )

is the answers your welcome! : )

Firstly, the planetary model of the atom  failed  to explain why individual atoms produce discrete  line spectra. in fact, according to rutherford's model, each individual atom should produce a  continuous  line spectrum. the second flaw to his model was the fact that electrons orbit the nucleus in a circular fashion.