Which measurement occurs last when collecting data to determine the percentage by mass of a solution?

mass percent = (mass of element in 1 mole of compound / mass of 1 mole of compound) x 100. The formula for a solution is:

mass percent = (grams of solute / grams of solute plus solvent) x 100. or.

mass percent = (grams of solute / grams of solution) x 100. The final answer is given as %.

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did anyone actually do this? like if anyone has submitted this i rly need .

all eukaryotic cell have mitochondria : )