How many significant figures does 63180 have?

Which of the following is not a law of chemical combination?

Who proposed that equal volumes of all gases at the same temperature & given pressure should contain an equal numbe…

1Litre = ___ m3.

What’s the balanced equation of CO2 + H2O → C6H12O6 + O2?

Could Dalton’s atomic theory explain the laws of chemical combinations?

1 u = Ma/NA.

What’s the number of particles in 10 moles of hydrochloric acid?