4.If the hydroxide concentration of a HNO3/NO3- buffer system is 0.00000025 M, what is the nitrate concentration if the nitric acid concentration is 0.84 and the dissociation constant, Ka, of HNO3 is 6 x 10-9 ?
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4.If the hydroxide concentration of a HNO3/NO3- buffer system is 0.00000025 M, what is the nitrate...
2. If the hydroxide concentration of a HNOz/NO, buffer system is 0.00000025 M, what is the nitrate concentration if the nitric acid concentration is 0.84 and the dissociation constant, Ka, of HNO, is 1.6 x 10?
1. An unlimited amount of bromine reacts with 19.3 grams of 4-iodo-5-isopropyl-2-nonene. How many grams of organic compound product can be made? 2. If the hydroxide concentration of a HNO3/NO, buffer system is 0.00000025 M, what is the nitrate concentration if the nitric acid concentration is 0.84 and the dissociation constant, Ka, of HNO, is 1.6 x 10°?
If the hydroxide concentration of a CH3COOH/CH3COO- buffer system is 0.000045 M, what is the acetate concentration if the acetic acid concentration is 0.74 and the dissociation constant, Ka, of CH3COOH is 6 x 10-9 ? A hot piece of metal at 450K is placed in pure water that has a volume of 55.0 mL which has an initial temperature of 25.3°C. After five minutes, equilibrium is established and a final temperature of 44.4°C is reached . What is the...
6. If the pH of a CH3COOH/CH3COO- buffer system is 4.5, what is the acetate concentration if the acetic acid concentration is 0.44 and the dissociation constant, Ka, of CH3COOH is 1.6 x 10-8 ?
A 15.00 mL sample of nitric acid, HNO3, requires 0.655 g of barium hydroxide, Ba(OH)2 for titration to the equivalence point. What is the concentration of the nitric acid? 2 HNO3(aq) + Ba(OH)2(aq) → Ba(NO3)2(aq) + 2 H2O(l)
6. If the pH of a CH3COOH/CH3COO buffer system is 4.5, what is the acetate concentration if the acetic acid concentration is 0.44 and the dissociation constant, Ka, of CH3COOH is 1.6 x 10-%? 7. A 23.3 g hot piece of metal at 350K is placed in pure water that has a volume of 55.0. The metal is placed in the water and after five minutes, equilibrium is established where the final temperature of the metal reaches 99.8°C. What is...
1. Calculate the hydronium ion concentration and the hydroxide ion concentration in lime juice with a pH of 2.0. Report answers in scientific notation and 2 significant figures Hydronium ion concentration = Hydroxide ion concentration = 2. What are the hydronium and hydroxide ion concentrations in a solution whose pH is 6.52? Report answers in scientific notation and 2 significant figures Hydronium ion concentration = Hydroxide ion concentration = 3. Which is the stronger acid, NH4+ or HBrO? Hint: Compare...
AI(NO3)3(aq) + Na3PO4(aq) → E. Neutralization Reactions 1. nitric acid(aq) + sodium hydroxide(aq) sodium nitrate(aq) + water(1) HNO3(aq) + NaOH(aq) → 2. sulfuric acid(aq) + sodium hydroxide(aq) → sodium sulfate(aq) + water(1) H2SO4(aq) + NaOH(aq) → sodium phosphate(aq) + water(1) 3. phosphoric acid(aq) + sodium hydroxide(aq) H3PO4(aq) + NaOH(aq)
1. Calculate the pH at 25°C of a 0.757 M solution of a weak acid that has Ka = 9.28 x 10 2. Determine the Kb of a weak base if a 2.50 M solution of the base has a pH of 9.595 at 25°C. 3. The overall dissociation of malonic acid, H2C3H2O4, is represented below. The overall dissociation constant is also indicated. H2C3H204 = 2 H+ + C3H2042- K = 3.0 x 10-9 To a 0.025-molar solution of malonic...
Calculate the hydroxide ion concentration and the POH in an aqueous solution with a pH = 2.3 at 25°C. a. [OH 1 - 2.0 * 10-12M : POH - 2.30 b. [OH 7 -2.0 * 10-11M: POH = 11.70 C[OH 7 -5.0 x 10-3 M : POH = 11.70 d. [OH ) - 2.0 x 10-12 M : POH = 11.70 e.[OH ) - 2.0*10-12M : POH -8.50 Which of the following solutions is a good buffer system? a. A...