## Question

###### Please make sure that answer are available based on blue boxes below the problem How many...

Please make sure that answer are available based on blue boxes below the problem

How many grams of NH Br must be dissolved in 1.00 L of water to produce a solution with pH = 5.16? The Kb of NH, is equal to 1.8 * 10- < PREV Based on your ICE table and Ka expression, determine the grams of NH,Br initially dissolved. massNH,Br = 9 RESET 0 8 .3 1.5 1.2 * 104 0.086 9.6 * 100 9.4 104

How many grams of NH Br must be dissolved in 1.00 L of water to produce a solution with pH = 5.16? The Kb of NH, is equal to 1.8 x 10-4 1 NEXT > Let x represent the original concentration of NH, in the water. Based on the given values, set up the ICE table in order to determine the unknown. NH, (aq) + H2O) = ,0*(aq) + NH(aq) Initial (M) Change (M) Equilibrium (M) RESET 1 0 2 .00 15 .16 -0. 5 6 .9 * 100 1.8 * 10- -6.9 * 10 0.709 .0.700 X + 6.9 * 10- x - 6.9 x 10-0 x +0.709 X-0.709

How many grams of NH Br must be dissolved in 1.00 L of water to produce a solution with pH = 5.16? The Kb of NH, is equal to 1.8 x 10-4 < PREV 3 NEXT > Based on your ICE table and definition of Ka, set up the expression for Ka in order to determine the unknown. Do not combine or simplify terms. RESET [0] [1.00] (5.16] [1.8 10 1 [26] [0.5x] [6.9 10- [] [x -0.709 [0.709] - 6.910") (x + 0.709) 1.8 x 10- 4.7 +6.9 x 10- 1.8 * 10-20 5.6 * 10-10

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