When an excess of ammonia was added to hydrochloric acid, a neutralization curve was obtained showing a sharp equivalence point in the acidic region (pH < 7). Which would be the best indicator for this titration?
When an excess of ammonia was added to hydrochloric acid, a neutralization curve was obtained showing a sharp equivalence point in the acidic region (pH < 7). Which would be the best indicator for this titration?