A25.0 ml sample of an hcl solution is titrated with a 0.139 m naoh solution. the equivalence point is reached with 15.4 ml of base. the concentration of hcl is m.

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years

Ablock of aluminum is dropped into a graduated cylinder with an initial volume of water at 75ml and the volumes rises to 90ml. if the block has a mass of 40.5 g what is its density ?

If you reacted 450 g of trimethylgallium with 300 g of arsine, what mass of gaas could you make?