Concept explainers
(a)
Interpretation:
The molar solubility of
Concept introduction:
Solubility product is equilibrium constant for reactions that occur when an ionic compound is dissolved to produce ions. It is denotedby
The expression for its
(b)
Interpretation:
The molar solubility of
Concept introduction:
Solubility product is equilibrium constant for reactions that occur when an ionic compound is dissolved to produce ions. It is denoted by
The expression for its
A complex ion is ion that contains a metal cation bonded to one or more small ions. The formation of complex ion is generally a stepwise procedure and each step has its equilibrium constant. The stability of complex ion is measured by formation constant
The relation between
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- Ammonia is a convenient buffer system in the slightly basic range. (a) What is the pH of a buffer solution containing 49 g of NH,CI dissolved in 1.00 L of 0.919 M NH3? pH = (b) How many moles of acid are required to change the pH of this solution by 0.05 pH units? mol (c) Suppose 4.6 mL of 12.6 M HCI solution is added to 471 ml of the solution of Part (a). Calculate the new pH. pH =arrow_forwardCalculate the minimum pH needed to precipitate Mn(OH)2so completely that the concentration of Mn2+ (aq) is lessthan 1 μg per liter [1 part per billion (ppb)].arrow_forwardAn industrial chemist studying bleaching and sterilizing prepares several hypochlorite buffers. Find the pH of (a) 0.100 M HClO and 0.100 M NaClO; (b) 0.100 M HClO and 0.150 M NaClO; (c) 0.150 M HClO and 0.100 M NaClO; (d) 1.0 L of the solution in part (a) after 0.0050 mol of NaOH has been added.arrow_forward
- Your answer is partially correct. Ammonia is a convenient buffer system in the slightly basic range. (a) What is the pH of a buffer solution containing 46 g of NH4CI dissolved in 1.00 L of 0.920 M NH3? pH = 9.24 (b) How many moles of acid are required to change the pH of this solution by 0.07 pH units? i 5.5E-2 mol (c) Suppose 4.8 mL of 11.8 M HCI solution is added to 146 mL of the solution of Part (a). Calculate the new pH. pH = i 9.08 eTextbook and Media Save for Later Attempts: 1 of 3 used Submit Answerarrow_forward11 (a) Define a buffer solution (b) What are the components of (i) an acidic buffer ? (ii) a basic buffer ?arrow_forwardA chemistry graduate student is given 250. mL of a 1.40M trimethylamine ((CH,) N) solution. Trimethylamine is a weak base with K, =7.4 × 10 *. What 3 mass of (CH,) NHCI should the student dissolve in the (CH, N solution to turn it into a buffer with pH =10.85? 3 You may assume that the volume of the solution doesn't change when the (CH,) NHC1 is dissolved in it. Be sure your answer has a unit symbol, and round it to 2 significant digits. olo x10 Ar ? Explanation Check © 2022 McGraw Hill LLC. AlL Rights Reserved. Terms of Use | Privacy Center | Accessibilityarrow_forward
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