2NaCl + H2SO4 → Na2SO4 + 2HCl In the reaction above stoichiometry is used to determine the theoretical yield is 20.0 grams of HCl, but during a lab the actual yield is 15.75 grams. Calculate the percent yield.

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Which elements are found in glucose, the product of photosynthesis? a. carbon, hydrogen, and oxygen b. carbon and hydrogen c. carbon, nitrogen, and oxygen d. hydrogen, nitrogen, and carbon

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity