Determine the ph at the equivalence (stoichiometric) point in the titration of 27 ml of 0.24 m c6h5sh(aq) with 0.22 m naoh(aq). the ka of thiophenol is 3.2 x 10-7.

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.

Is 343 in the sequence -5, -2, 1, 4, 7

Five different substances are given to you to be dissolved in water. which substances are most likely to undergo dissolution in water? check all that apply. view available hint(s) check all that apply. sodium fluoride, naf octane, c8h18 propanol, ch3ch2ch2oh potassium iodide, ki benzene, c6h6