Exercise 2 1. An unknown, rectangular substance measures 3.60 cm high, 4.21 cm long, and 1.17 cm wide. If the mass is 21

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Exercise 2 1 An Unknown Rectangular Substance Measures 3 60 Cm High 4 21 Cm Long And 1 17 Cm Wide If The Mass Is 21 1 (62.91 KiB) Viewed 22 times

Exercise 2 1. An unknown, rectangular substance measures 3.60 cm high, 4.21 cm long, and 1.17 cm wide. If the mass is 21.3 g, what is this substance's density (in grams per milliliter)? (Type and show all of your work.) 2. A sample of gold (Au) has a mass of 26.15 g. Given that the theoretical density is 19.30 g/mL, what is the volume of the gold sample? (Type and show all of your work.) 3. A student was given an unknown metal. The student determined that the mass of the metal was 30.2 g. The student placed the metal in a graduated cylinder filled with 20.0 mL of water. The metal increased the volume of water to 22.9 ml. Calculate the density of the metal and determine the identity of the metal using the table below. (Type and show all of your work.) Metal Lead Silver Nickel Zinc Density (g/mL) 11.3 10.5 9.90 7.14