When 200. mL of 2.0 M NaOH(aq ) is added to 500. mL of 1.0 M HCl(aq ), the pH of the resulting mixture is closest to

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.