In: Chemistry

# What is the pH of a solution made by dissolving 1.8 g of K2CO3 and 3.0...

What is the pH of a solution made by dissolving 1.8 g of K2CO3 and 3.0 g of KHCO3 in 500. mL of water? Use the Acid-Base Table. Please see Buffer pH for assistance.

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##### a) What is the molarity of the solution that was prepared by dissolving 3.25 g of...
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##### A 0.100-L solution is made by dissolving 0.441 g of CaCl2(s) in water. (a) Calculate the...
A 0.100-L solution is made by dissolving 0.441 g of CaCl2(s) in water. (a) Calculate the osmotic pressure of this solution at 27 °C, assuming that it is completely dissociated into its component ions. (b) The measured osmotic pressure of this solution is 2.56 atm at 27 °C. Explain why it is less than the value calculated in (a), and calculate the van’t Hoff factor, i, for the solute in this solution. (c) The enthalpy of solution for CaCl2 is...