Answer to Question #131612 in General Chemistry for jackie

Question

Copper has a density of 8.96 g/mL at room temperature. How many grams of copper are in a block of copper whose volume is 7.17 mL? Express your answer in units of grams (but do not type the unit in your answer) using at least 3 significant figures.

Answer 1

From the density, 1 mL contains 8.96 grams of copper. To get the mass in grams contained in 7.17 ml, we should do a multiplication. 7.17x8.96

= 64.2.