Answer the following questions. T-True F False, clearly circle T or F, if it is

Question

Answer the following questions. T-True F False, clearly circle T or F, if it is not clear what is circled it will be marked as wrong. This section is closed note and closed book. Turn in this section when finished, once turned in you will no longer be able to make corrections or change answers. 2 points for each answer 1) Tor F- A buffered solution is one that ressts a change in its pH when either hydroxide lon or protons are added. 2) T or F- In a buffered solution the pH is governed by the ratio HA/A 3) Tor F-A salt's Ksp value gives info about its solubility. 4) T or F- Solubility is the same as the solubility constant. 5) What is Solubility? (provide answer)

Explanation / Answer

Ans(a) true. A buffered solution resists to change in its pH when either hydroxide ion or proton added

Ans(b)= false. pH= pKa + log(A-/ HA)

Ans(c)= True, A salt Ksp value give info about its solubility. greater the value of Ksp greater is the solubility

Ans(d)= False, solubility, and solubility constant are the different term. solubility depends on the conc. of given ion while solubility constant is independent of conc.

Ans(e)= solubility= Solubility is the property of a solid, liquid or gaseous chemical substance called solute to dissolve in a solid, liquid or gaseous solvent.

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