Open Question
If a substance has a large mass and a small volume, what can you conclude about it?
1. Intro to General Chemistry
Density
Back1. Intro to General Chemistry
Density
- Open Question
What is the mass of 2.00 L of an intravenous glucose solution with a density of 1.15 g/mL?
- Open Question
What two quantities must be known to calculate the density of a sample of matter?
- Open Question
If the solid form of most molecules is heavier than the liquid form, why does ice float?
- Multiple ChoiceA block of solid that weighs 58.16 g was placed in a container with a 100 mL capacity. It was then filled to capacity with liquid benzene and measured to have a combined weight of 96.15 g. Calculate the density of the solid if the density of benzene is 0.879 g/mL.
- Multiple ChoiceA small flask and stopper is found to weigh 23.994 g. It is carefully filled with water and reweighed. The new weight is 50.00 g. If the water density is taken as 1.000 g/ml, what is the volume of the flask?
- Multiple ChoiceA student performs an experiment to determine the density of a sugar solution. She obtains the following results: 1.70 g/mL, 1.75 g/mL, 1.66 g/mL, and 1.68 g/mL. How should she report the average density of her measurements, including the uncertainty?
- Multiple ChoiceCalculate the temperature in °C of nitrogen gas (N2) with a density of 2.28 kg/m³ at a pressure of 2 atm. (Assume ideal gas behavior and use R = 0.0821 L·atm/mol·K for calculations.)
- Multiple ChoiceCalculate the number of atoms in a copper rod with a length of 9.85 cm and a radius of 1.05 cm. The density of copper is 8.96 g/cm³. (The volume of a cylinder is V = πr²l.) Express the number of atoms to three significant figures. Assume the molar mass of copper is 63.55 g/mol and Avogadro's number is 6.022 × 10²³ atoms/mol.
- Multiple ChoiceGreg has a blood volume of 5.9 qt. If the density of blood is 1.06 g/mL, what is the mass, in grams, of Greg's blood? (Note: 1 qt = 946.353 mL)
- Multiple ChoiceIn an experiment, you combine water (density = 1.00 g/mL) and hexane (density = 0.66 g/mL) in a beaker to make a mixture with a total volume of 354.4 mL and a total mass of 312.9 g. Water and hexane do not mix. What is the volume of water in the mixture?
- Multiple ChoicePb has a density of 11.3 g/cm³. What is the mass of a cube of lead with a length of one side equal to 50.0 mm?
- Multiple ChoiceThe density of a sample of wine is 1.08 g/mL. If a Salmanazar of wine is 9.00 liters, what is the weight of 3.67 Salmanazars of wine in ounces?
- Multiple ChoiceWhat is the density (in g/mL) of a 1.0 kg mass in 1500.0 mL?
- Multiple ChoiceWhat is the density (in kg/L) of a material that has a mass of 430.0 g in 0.125 L?