Which atomic model was proposed as a result of j. j. thomson’s work?

Achemistry student weighs out of phosphoric acid , a triprotic acid, into a volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with solution. calculate the volume of solution the student will need to add to reach the final equivalence point. round your answer to significant digits.

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.