Ask a New Question

Question

What is the percent KCL by mass in a 3.00 molal solution?
11 years ago

Answers

DrBob222
3m = 3 mols KCl/1 kg solvent
1 mol KCl = estimated 74.5 but you should be more accurate than that.
3*74.5 = about 223g.
So that is about 223g/223+1000 = 223g/1223 g solution
% KCl w/w = (223/1223)*100 = >
11 years ago

Related Questions

what is the percent by mass of nitrogen in (NH4)2CO3? how do you do this ? With the mass percent of Fe, oxalate ion, and water; find the mass percent of potassium ion in the c... what is the percent by mass of NaCHO3 in a solution containing 12g NaCHO3, dissolved in 450mL of wat... What is the mass percent of solute When, 4.12 grams is dissolved in 100 .0 gram of water. What us the mass percent of hydrogen in water? What is the mass percent of in sugar a solution prepared by adding 34.0 g to 89.3 g of water? What is the mass percent of hydrogen in hydrogen peroxide, H2O2? What is the mass percent of water in sodium sulfate decahydrate, Na2SO4 ยท 10H2O? What is the percent by mass of NaCl in a solution that contains 17.5 g NaCl per 500.0 g of water?... What is the percent by mass of 83 grams of sodium hydroxide in 750 ml of water?
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use