To find the mole fraction and percentage of each element in C18H38O2, divide each total from step 3 by the total molar mass found in step 4: Mole FractionPercent C(Carbon)216.1926 ÷ 286.49312 = 0.754617× 100 = 75.4617% H(Hydrogen)38.30172 ÷ 286.49312 = 0.133692× 100 = 13.3692% ...
What is the mass of 1.00 mol of sodium hydrogen carbonate? Calculate the percent composition, by mass, of carbon in Na2CO3. How many molecules are in 7.0 grams of sodium bicarbonate? How many molecules are in 3.0 grams of sodium bicarbonate? What is the percent mass of sodium hydroxide if...
Answer to: A compound with a formula mass of 42.08 amu is found to be 85.64% carbon and 14.36 % hydrogen by mass. Find its molecular formula. By...