A student mixes 25 mL of 0.10 M BaCl (aq) with 25 mL of 0.10 M Na SO (aq) in a sealed
CHEMISTRY · Subjective · AP · Chemistry · Chemical Reactions · Chemical Reactions
Problem
A student mixes 25 mL of 0.10 M BaCl2(aq) with 25 mL of 0.10 M Na2SO4(aq) in a sealed, colorless, transparent beaker. Predict one specific macroscopic observation the student should record and identify which form of evidence for chemical change this observation represents.