Question

C 5.50 ml of a (n) 9.50 MKOH solution diluted to 75.0 ml

Problem 9.108 - Enhanced -with Feedback You may want to reference (Pages 306-308) Section 9.5 while completing this problem Part A 55.0 mL of a(n) 11.2 MHCI solution diluted to 520. mL Calculate the final concentration of the solution when water is added to prepare each of the following solutions. Submit Request Answer Part B 75.0 mL of a(n) 23 0 % ( m /v ) NH, Cl solution diluted to 165 mL V ΑΣφ ? Type here to search

Answer 1

part AS My = Ma Ye m, = Initial = Initial Hel molarity = 11.2 Hol volume = 55 m2 V = final molarily = x a final volume = S245570 Pest 520mL mv = MzY₂ 11.2 x 55 = x. x 520 t: 11.1846 m PRE

part B: Weight = - miut 1000 100 Molarities of 236 Nhy Cl 23 23 x 1000 3 · 53.491 100 (4.2998 m] 98 M then miv, = M₂ V₂ m =.4.29987 V = 75ML Mei = de ₂ = 165 4.2998753 X X165 x = (1.954m]

WW 1 Partei- m.", = Mive . M, = 9.50 m ; : 5.50 mL m₂ = x V₂ = 75 mL . . = 9.50 X5.50 = xx 75 = 10.6967MB