How many grams of water can be produced when 65.5 grams of sodium hydroxide react with excess sulfuric acid.

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.

How does a hydroelectric power plant converts energy into energy.

Which characteristics can be used to differentiate star systems? check all that apply.