Concentration and pH


A 15. 7 grams of Na2CO3 is dissolved in distilled water to make 1780 milliliter of solution. Calculate the molarity Na2CO3 solution.

A 0. 05 grams of NaCl is dissolved in 1100 milliliter of distilled water. Calculate the ppm of NaCl solution. Assume a very dillute solution.

What is the pH of 0. 0015 M NaOH?


Molar mass: Na = 23 g/mol ; C = 12 g/mol ; O = 16 g/mol