1. which variable is the independent variable and which is the dependent variable? density vs. ethylene glycol
a. a 25-ml volumetric flask with its stopper has a mass of 32.6341 g. the same flask filled to the line with ethylene glycol (c2h6o2, automotive antifreeze) solution has a mass of 58.0091 g. what is the density of the ethylene glycol solution?
b. what is the molarity of the ethylene glycol solution, if the mass of ethylene glycol in the solution is 12.0439 g?
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