A dialysis solution has a 0.1M phosphate buffer pH is 7.5. I need to add 0.1M lactic acid pka is 3.86 to this solution. Would addition of lactic acid change the pH of my solution?

For humans to maintain the pH of their blood close to 7.4, the body uses three buffer systems: carbonate, phosphate and proteins. If the pH of the blood goes below 6.8 or above 7.8, death may result. Imagine you want to make a phosphate buffer in the lab that resembles the bloods phosphate buffer. You start by mixing 0.95 M NaH2PO4 and 0.68 M Na2HPO4. H2PO4-  + H2O ⇌  HPO42-  + H+  pKa= 7.21  (5 marks total) a. From the reaction above indicate the weak acid and the conjugate base involved in making this buffer. (2 marks) b. Calculate the pH of the phosphate buffer solution. Provide your answer with 2 decimal places (2 marks) c. If the pH calculated in b. was the blood pH of an actual patient, would you say this patient’s blood pH is in the normal range or are they suffering from alkalosis or acidosis? (1 mark)

If you wanted to create a buffer with a pH = 3.2, what substances would you choose to make the buffer? Weak Acid K, pK, HCIO, 7.2 x 10-3 1.94 HNO, CH,COOH H,CO, 4.0 x 10-4 3.39 1.8 x 10-5 4.75 6.3 x 10-8 6,35 HBRO 2.8 x 10-9 8.55 HCO, 4.0 x 10-13 10.33 HNO, and NO, CH;COOH only HNO, only HCO; and CO,2 HBГО and BrO HCIO, and CIO, CH3COOH and CH;COO

A saturated solution of Cd(OH)2 was found to contain 3.4x 10-6 mol OH- in 100.0 mL. Calculate the Ksp of Cd(OH)2. 4.0

The silver-ion concentration in a saturated solution of silver(1) sulfate is 2.9 x 10-2 M. What is Ksp for silver(1) sulfate? 2.1 x 104 8.3 x 10-4 1.2 x 10-5 9.8 x 10-5 6.9 x 10-7

5) Calculate the solubility of each of the following salts in moles per liter given their Ksp values. Ignore any acid-base properties.a. Ag3PO4, Ksp=1.8x10−18b. CaCO3, Ksp=8.7x10−9C) Calculate the solubility of the silver phosphate and the calcium carbonate in question 5 in grams/L.

24. How many moles of NH,Br must be added to 2 L of 0.1 M NH,OH to form a buffer whose pH is 9.00? (K, of NH,OH = 1.76 x 0*)

9 If the dissociation constant of a weak acid is 1.4 x 10-5, at what ratio should you adjust the concentration of the weak acid and its conjugate base in order to prepare a buffer that has a pH of 4.85? a) 0.100 M weak acid with 0.0100 M conjugate base b) 0.0100 M weak acid with 0.100 M conjugate base c) 0.100 M weak acid with 0.200 M conjugate base d) 0.300 M weak acid with 0.300 M conjugate base e) 0.500 M weak acid with 0.250 M conjugate base

10mL of a 0.0394M solution of sodium sulfate is mixed with 10mL of a 0.0396M solution of calcium chloride. Ksp of calcium sulfate =4.9 × 10-5 a) Calculate Q for calcium sulfate

The value of K for acetylsalicylic acid (aspirin) is 3.00x104. What is the value of Kp, for its conjugate base, CH,04? An error has been detected in your answer. Check for typos, miscalculations etc. before submitting your answer.