A 10 g sample of a compound that consists of carbon and hydrogen is found to consist of 7.99 g of carbon and 2.01 g of hydrogen. What is the empirical formula and molecular formula of this compound?

(Molar mass is 30.07 g/mol)

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature