A solution of ethanoic acid of concentration 0.01 mol dm-3 has a pH of 3.38. Calculate the

dissociation constant, Ka, of the acid

a) 2.67 × 10-4 mol dm-3

b) 1.76 × 10-4 mol dm-3

c) 1.76 × 10-5 mol dm-3

d) 1.67 × 10-5 mol dm-3​

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

What are the primary responsibilities of a chemical engineer involved in "r& d"? develop large scale manufacturing operations discover new products and processes training of new chemists determine products needed by consumers

Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.