( ( ( The pH ) ( of ( ( 1 ( M solutions ) ) ( of ( these acids ) ) ) ) ) ( ( ( is typically ) ( ( quite ( low close ) ) ( to zero ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN pH)) (PP (IN of) (NP (NP (CD 1) (NNP M) (NNS solutions)) (PP (IN of) (NP (DT these) (NNS acids)))))) (VP (VBZ is) (ADVP (RB typically)) (ADJP (ADJP (RB quite) (RB low) (JJ close)) (PP (TO to) (NP (CD zero))))) (. .)))
The pH of 1 M solutions of these acids is typically quite low close to zero.
(ROOT (S (NP (NP (DT The) (NN acidity)) (PP (IN of) (NP (DT a) (NN solution)))) (VP (VBZ is) (ADVP (RB typically)) (VP (VBN assessed) (ADVP (RB experimentally)) (PP (IN by) (NP (NP (NN measurement)) (PP (IN of) (NP (PRP$ its) (NN ph.)))))))))