A 5.9 L sample of SIH4 gas at 356 mm Hg pressure and 25°C is allowed to react with O2 gas. What volume of Oz gas, in liters, is required for complete reactio if the oxygen has a
pressure of 407 mm Hg at 25°C?

The answer is conduction

Ithink ahopefully im correct 

According to arrhenius theory of acid and bases, an acid is a proton donor, while base donates hydroxyl ions. further, acid and base reacts to form salt and water.consider following example.hcl    +      h2o          →      cl-          +      h3o+here, hcl has donated a proton, hence it is an acid.now consider following reactionhcl      +      naoh            ↔      nacl      +        h2oin this reaction, hcl donates proton, hence it is acid. on other hand, naoh donates hydroxyl ion (i.e. hence it is a base.