What is the mole for H2PO3

while doing a lab, a student found the density of a piece of pure aluminum to be 2.85 g/cm^3. the accepted value for the density of aluminum is 2.70 g/cm^3. The accepted value for density of aluminum is 2.70 g/cm^3.

Four gases were combined in a gas cylinder with these partial pressures: 3.5 atm N2, 2.8 atm O2, 0.25 atm Ar, and 0.15 atm He. What is the total pressure inside the cylinder? 6.7 atm What is the mole fraction of N2 in the mixture? 0.

Give two differences between mixture and compound

What method can be used to to completely separate a solution containing alcohol and water?

What methods were used to clean up the Chernobyl and three mile island accidents?