Helium has a density of 1.79 x 10-4 g/mL at standard temperature and pressure. A balloon has a volume of 6.3 liters. Calculate the mass of helium that it would take to fill the balloon.

1.1 g
35,000 g
2.8 x 10 -5 g
1.1 x 10 -3 g

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Avariable that is not being directly tested during an experiment should be

Which of the following is true about a carbonated soft drink? . the carbon dioxide is the solvent, and water is the solute.. the water is the solution, and carbon dioxide is the solvent.. the carbon dioxide is the solution, and the water is the solvent.. the water is the solvent, and the carbon dioxide is the solute.. .