In an experiment, 21 grams of magnesium carbonate were allowed to react with 300 cm3 of a solution of hydrochloric acid containing 2 moles of acid per dm3 of solution. The balanced chemical equation for this reaction is shown below. Calculate the number of moles of hydrochloric acid in 300cm3 of the 2 moles of acid per dm3 of solution used in the experiment.

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. the values of phosphorous acid are 1.30 6.70 calculate the ph for each of the given points in the titration of 50.0 ml of 1.5 m h3po3(aq) with 1.5 m koh(aq) .

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он