Author Question: A solution is 0.20 M Ba(OH)2(aq). How many moles of HCl(aq) must be added to neutralize 100.0 mL of ... (Read 90 times)

jlmhmf · **on:** Jul 8, 2021

Question 1

A sample of magnesium oxide was dissolved in 50.0 mL of 0.183 M hydrochloric acid, and the excess acid was titrated to a phenolphthalein end-point by 13.4 mL of 0.105 M sodium hydroxide. What was the mass of the magnesium oxide sample?
◦ 312 mg
◦ 184 mg
◦ 156 mg
◦ 104 mg
◦ 77.8 mg

Question 2

A solution is 0.20 M Ba(OH)₂(aq). How many moles of HCl(aq) must be added to neutralize 100.0 mL of the solution?
◦ 0.020 mol
◦ 0.080 mol
◦ 0.040 mol
◦ 0.40 mol
◦ 0.80 mol

at · **Reply #1 on:** Jul 8, 2021

A FREE account is required to view all solutions!

Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.

Answer Preview

Only 25% of students answer this correctly