1. An aqueous solution of sodium carbonate, Na2CO3, contains 2.65 grams of sodium carbonate and 17.6 grams of water. The
Posted: Fri Apr 29, 2022 1:35 pm
1. An aqueous solution of sodium
carbonate, Na2CO3,
contains 2.65 grams
of sodium
carbonate and 17.6 grams
of water.
The percentage by mass of sodium
carbonate in the solution is ___%.
2. You wish to prepare 194 grams
of 10.6 % KF. You
will need grams of potassium
fluoride and ______mL of water. Assume that the
density of water is 1.00 g / ml.
carbonate, Na2CO3,
contains 2.65 grams
of sodium
carbonate and 17.6 grams
of water.
The percentage by mass of sodium
carbonate in the solution is ___%.
2. You wish to prepare 194 grams
of 10.6 % KF. You
will need grams of potassium
fluoride and ______mL of water. Assume that the
density of water is 1.00 g / ml.