A sample of ammonia has a mass of 51 g. How many molecules are in this sample?

Joel is studying a certain organ system of the human body. It interacts with the respiratory system to transport oxygen and carbon dioxide gases between the lungs and different parts of the body.

How many liters would you need to make a 1 m solution if you have 6 mil of sodium hydroxide

The atomic number of boron is 5. what does this tell you about an atom of boron?

What kind of charge would the hydrogen atoms have compared to the oxygen?

Calculate the molarity (m) of a solution prepared by dissolving 10.7 g nai in 0.250 l.

What nuclear symbol has 13 protons and 15 neutrons

Which of the following statements about solutions is NOT true? Select one: a. A solution has the same properties throughout. b. Solutions contain a solvent dissolved in a solute. c. The solute in a solution can be a solid, liquid, or gas. d.

If the molar mass of NaCl is 58.44 g/mol, what amount of NaCl (in mol) is contained in 250.0 mg of NaCl?

How many hydrogen atoms are contained in 167 grams of propane?

How many grams of CO2 are in 6 mol of the compound (this is a science question) ? and the units?