The total concentration of ions in a 0.75 M solution of HCL is? A.) 1.75 M B.) 1.5 M C.) 0.75 M D.) 0.625 M E.) 0
Draw ree body dagran No elements selected 0.75 m Pearson Draw ree body dagran No elements selected 0.75 m Pearson
Consider the titration of 100.0 mL of 0.75 M H3A by 0.75 M KOH for the next three questions. The triprotic acid has Ka1 = 1.0 x 10-5, Ka2 = 1.0 x 10-8, and an unknown value for Ka3. 1) Calculate the pH after 100.0 mL of KOH has been added. pH = Tries 0/45 2) Calculate the pH after 150.0 mL of KOH has been added. pH = Tries 0/45 3) The pH of the solution after 200.0 mL...
An ideal pendulum with a length of 0.75 m is oscillating such that its 2.0 kg bob has amaximum speed of 2.0 m/s. (a) What is the amplitude of this motion? (b) Suppose the massless string is replaced with a 2.0 kg rod which is also 0.75 m long. Whatamplitude is required to give the bob a maximum speed of 2.0 m/s?
Calculate the pH of a buffered solution that is 0.35 M H2PO4- and 0.75 M HPO42-. The Ka = 6.2 x 10-8.
12. The [OH7m a 0.75 M pyridine (CsHsN?-17-10-9) solution is: a. 1.3109 M 0.75 M enone of these 3.6× 10-5 4.8 × 10-5 Al 1.3. Consider the reaction HNOzla) H:0DH'(ap)+NOz (ag) Which species is a conjugate base? a HNOz(ag) b. H2O? c Ho (ag) d. NO2 (ag) e. Two of these 14. Which of the following is the equilibrium constant expression for the dissociation of the weak acid HOCi [HOCI] Hoa e. None of these 15. The highest plH for...
How many mL of 0.75 M HCl will neutralize 20. mL of 1.02 M NaOH?
Water flow steady through a pipe with Dia=0.75 m at point 1 and Dia= 1.5 m at point 2 as shown below. Find the velocity and the volume flow rate at the exit point.(Ywater = 9800 N/m) D-1.5 m D=0.75 m (1) water (2) Y D = 2 m 1m 0.7m SG=0.88 T 0.3m 0.5m 02 m 0.5m 0.5m S6=13.5S SG:13.55
25.0 mL of 0.75 M NaOH is added to 750.0 mL of a 0.750 M acetic acid solution. What is the pH of the solution before and after the NaOH has been added?
A reaction mixture contains 0.15 M CS2, 0.75 M H2, 0.55 M CH4, and 0.95 M H2S. Is this reaction at equilibrium? If it is not at equilibrium, indicate the direction in which it much shifts to reach equilibrium. Show work to support your answer. (Hint: Do not use