Concentration calculation
In a concentration calculation, if we are given the moles of solute and the grams of solvent, what do we need to do first in order to find the molality?
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A volume of 12.66 mL of 0.1090 M NaOH solution was used to titrate a 0.771 g sample of unknown containing HC3H5O3. What is the percent by mass of HC3H5O3 in the unknown?
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Note that in this question, rates of change can be positive or negative. Determine the following rates at a time when the rate of change of O2 is -3.16e-03 M/s.
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