4. What other unit could you use for concentration rather than mol/L to specify the amount of substance in some volume of solution?

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

Classify this reaction: 2al+n2-> aln.

Which of these is a physical property