Recent content by mikepl1

when someone talks about a 50% NaCl solution or a 35% ethylene glycol solution, what does this really mean? Is this the percentage of the solute in the solution by mass, moles, or what? Thanks.

Homework Statement Could anyone help me with these two problems? The answer for the first one is 89.5%- 91.2% and the second one is 213 grams of glucose, but I didn't get those answers. 1. In making candy, a certain recipe calls for heating an aqueous sucrose solution to the "soft-ball"...