What amount of water is formed when 20 ml of 0.80 m hcl and 30 ml of 0.40 m naoh are mixed?

What is the percentage of hydrogen in c2h4

Select all that apply. when the products of a reaction have less energy than the reactants: the reaction is exothermic. the reaction is endothermic. the reactants lost internal energy. the change in enthalpy is positive.

Calcium hydroxide and hydrochloric acid react to form calcium chloride and water as shown in the chemical reaction. if the chemicals are present in exactly the correct ratios to fully use all of the ingredients, how many moles of water would be formed from 5 moles of hcl? (oh)2 + ? +