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Chemistry, Inorganic Chemistry
Year 1
Precipitate formed
For AgCl, what will occur if 250ml of 1.5 A 10(exponent negative 3)M of NaCl is mixed with 250mL of 2.0 A 10(exponent negative 7)M of AgNO3?
a. A precipitate would form because Ksp>P
b. A precipitate would form because P>Ksp
c. No precipitate would form because Ksp>P
d. No precipitate would form because P>Ksp
e. No precipitate would form because P=Ksp
By OTA: C. Yin, MSc
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- For AgCl.doc
Multiple choice questions about buffering solutions. - Which of the following solutions is not a buffer?
a. 125mL of 0.200M HCl added to 200mL of 0.400M CH3CO2-
b. 200mL of 0.400M HCl added to 125mL of 0.200M CH3CO2-
c. 200mL of 0.500M NaOH added to 200mL of 1.000M HF
d. 100mL of 0.500M H2PO4- added to 100mL of 0.100M HPO42-
e. 100mL of 0.200M HF added to 300mL of 0.200M NaF
Ksp---2 Problems - 1.) A saturated solution of calcium sulfate can be prepared by diluting 0.29g of CaSC4 to 250mL. what is the Ksp of calcium sulfate?
2.) At pH 10.0, only 0.019g of MgCl2 will dissolve per 1L of solution. What is the Ksp of magnesium hydroxide, Mg(OH)2?
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