Which statement is true about molarity and percent by mass?aBoth are ratios of the amount of solute over the amount of solution. bThey are ratios of the dilution over the concentration. cThey are inversely related. dBoth measure dilution.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next

Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table