If 18.9 mL of 0.800 M HCl solution is needed to neutralize 5.00 mL of a household ammonia solution, what is the molar concentration of the ammonia? A concentrated ammonia solution is 27.0 % (m/m) NH3. The density of the solution is 0.900 g/mL. What ...
•Inallstoichiometryproblems,themoleratiosfromthebalancedchemicalequationprovidetheconnectionbetweentheknownandunknownquantities,whetherthesearemasses,pressure-volume-temperaturedataforgases,ormolaritiesforsubstancesinsolution.•molarity[məuˈlæriti]n.摩尔浓度•在所有的计量问题，从化学平衡方程的摩尔比为...