Multiple ChoiceA sample of gas has a density of 1.0 g/L. What is the density of the gas in units of mg/mL?
Multiple ChoiceA lead ball has a mass of 55.0 grams and a density of 11.4 g/cm^3. What is the volume of the ball?
Multiple ChoiceThe density of solid nickel (Ni) is 8.90 g/cm^3. How many atoms are present per cubic centimeter (cm^3) of Ni? (Atomic mass of Ni = 58.69 g/mol; Avogadro's number = 6.022 × 10^{23} atoms/mol)
Multiple ChoiceA sample in your lab has a mass of 2.7 kg and occupies a volume of 0.001 m^3. Based on its density, which substance is it most likely to be?
Multiple ChoiceThe density of solid chromium (Cr) is 7.15 g/cm^3. How many atoms are present per cubic centimeter (cm^3) of Cr? (Atomic mass of Cr = 52.00 g/mol; Avogadro's number = 6.022 × 10^{23} atoms/mol)5views