What mass of sodium chloride (nacl) forms when 7.5 g of sodium carbonate (na2co3) reacts with a dilute solution of hydrochloric acid (hcl)? next, cancel like terms and units. which of the following shows the correct terms and units canceled? (one)

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.