Please help me! How much water should be added to 120 oz. of 50% acid solution
to dilute it to a 30% acid solution?
Round your answer to the nearest hundredth if necessary.

Which of the following are correct values for the ideal gas laws constant r

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.

Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h