The reversible reaction for the ph indicator bromophenol blue is (c19h8br4o5s)h ? (c19h8br4o5s)2 + h+. write the equilibrium expression for this reaction

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.