Jacob is given a beaker full of an unknown liquid and asked to calculate the density of the substance. He places the beaker of liquid on a digital scale. The digital scale displays that the mass of the liquid and the beaker combined is 53.8 grams. Then, Jacob pours the liquid into a graduated cylinder to measure the volume of the liquid. He finds that the liquid has a volume of 16.6 mL. Finally, Jacob calculates the density of the liquid by using the following equation 53.8 g ÷ 16.6 mL = 3.2 g/mL He reports the density of the liquid to be 3.2 g/mL, but his teacher tells him that the actual density of the liquid is 1.1 g/mL. What was the source of Jacob's calculation error? Jacob used a graduated cylinder instead of a triple beam balance to calculate the volume of the liquid. Jacob did not subtract the mass of the beaker from the combined mass before he used it in the density equation. Jacob divided the mass of the liquid by the volume of the liquid instead of multiplying it to find the density of the liquid. Jacob did not convert the volume of the liquid into the correct units before he used it in the density equation.

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