What is the percent by mass when 12.0 g of table sugar (C12H22011) is dissolved in enough water to form a total solution mass of 30.0 g?

What are the major products produced in the combustion of c10h22 under the following conditions? write balanced chemical equations for each. a. an excess of oxygen b. a slightly limited oxygen supply c. a very limited supply of oxygen d. the compound is burned in air

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules

In general metals get as you move from left to right across the periodic table.