A50.0 ml sample of 0.200 m sodium hydroxide is titrated with 0.200 m nitric acid. calculate ph: a. after adding 30.00 ml of hno3 b. at the equivalence point calculate the ph in the titration in example 16.6 after the addition of 60.0 ml of 0.200 m hno3.

Answer a b c and d for my chemistry hw

If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal.a.added more engine powerb.activated a connection to the pedalc.stalled the engined.released a connection to the pedal

How manyatoms of mercury are in 1.4214e+1 ml sample