?In this experiment you will produce hydrogen gas using magnesium metal and hydr

Question

?In this experiment you will produce hydrogen gas using magnesium metal and hydrochloric acid.

In this experiment you will produce hydrogen gas using magnesium metal and hydrochloric acid. If you hadn't added quite enough hydrochloric acid to consume all of the magnesium metal, what would be the effect of this error on the percent yield in your experiment? Would the actual yield (and thus the percent yield) erroneously high, erroneously low, or be unaffected by not adding enough HCI? Explain with a maximum of 3 sentences.

Explanation / Answer

Answer ; The actual yield ( and thus the percent yield ) of hydrogen gas would be erroneously low .

Explanation-

Looking to stoichiometry of the reaction one mole of magnesium metal yields one mole of H2 = 22400 ml at NTP . Presence of undetectable air bubble would reduce the actual volume of Hydrogen gas than the observed volume. .Thus the actual yield ( and thus the percent yield ) would be erroneously low.  

Related Questions

Navigate

• Browse (All)
• Browse #
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.