Sodium Hydroxide (NaOH) reacts with phosphoric acid (H3PO4) to form sodium phosphate (Na3PO4) and water (H2O) by the reaction NaOH(aq) + H3PO4 (aq) → Na3PO4 (aq) + H2O (l) if 25.60 grams of NaOH is reacted with 20.80 grams of H3PO4,
Sodium Hydroxide (NaOH) reacts with phosphoric acid (H3PO4) to form sodium phosphate (Na3PO4) and water (H2O) by the reaction NaOH(aq) + H3PO4 (aq) → Na3PO4 (aq) + H2O (l) if 25.60 grams of NaOH is reacted with 20.80 grams of H3PO4,
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter9: Chemical Quantities
Section: Chapter Questions
Problem 50A
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1. Sodium Hydroxide (NaOH) reacts with phosphoric acid (H3PO4) to form sodium phosphate (Na3PO4) and water (H2O) by the reaction
NaOH(aq) + H3PO4 (aq) → Na3PO4 (aq) + H2O (l)
if 25.60 grams of NaOH is reacted with 20.80 grams of H3PO4,
a. How many grams of Na3PO4 are formed?
b. What is the limiting reactant?
c. How many grams of the excess reactant remains when the reaction is complete?
2. Potassium superoxide, KO2, is used in rebreathing masks to generate oxygen according to the reaction below. If the mask contains 0.150mol KO2 and 0.100ml mol water, how many moles of oxygen can be produced? What is the limiting reagent?
KO2 (s) + H2O (l) → KOH (s) + O2(g)
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