How much does 1 mole of a substance weigh?
. o a. equal to its atomic number
• o b. 1 a. m.u.
• o c. 1 gram
. o d. equal to its atomic mass

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Acontrol during an experiment. might change remains constant does not exist does change

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?