Be sure that all of the chemical equations are properly balanced. a.) Oxygen gas can be produced in the laboratory by decomposition of potassium chlorate (KClO3):KClO3 (s) → 2KCl (s) + 3O2 (g)How many kg of O2 can be produced from 1.0 kg of KClO3? b.) Phosphorus pentachloride reacts with water to give phosphoric acid and hydrogen chlorideaccording to the following unbalanced equation:PCl5 (s) + H2O(l) → H3PO4 (aq) + HCl (g)If 0.360 moles of PCl5 was slowly added to an excess amount of water, how many grams of HClwere formed? c.) An experiment was begun with 75.00 g of Ba(NO3)2 and 50.00 g of Na2SO4. After collecting anddrying the product, 64.45 g of BaSO4 was obtained. Calculate the theoretical yield andpercentage yield of BaSO4.Ba(NO3)2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaNO3 (aq)
Be sure that all of the chemical equations are properly balanced.
a.) Oxygen gas can be produced in the laboratory by decomposition of potassium chlorate (KClO3):
KClO3 (s) → 2KCl (s) + 3O2 (g)
How many kg of O2 can be produced from 1.0 kg of KClO3?
b.) Phosphorus pentachloride reacts with water to give phosphoric acid and hydrogen chloride
according to the following unbalanced equation:
PCl5 (s) + H2O(l) → H3PO4 (aq) + HCl (g)
If 0.360 moles of PCl5 was slowly added to an excess amount of water, how many grams of HCl
were formed?
c.) An experiment was begun with 75.00 g of Ba(NO3)2 and 50.00 g of Na2SO4. After collecting and
drying the product, 64.45 g of BaSO4 was obtained. Calculate the theoretical yield and
percentage yield of BaSO4.
Ba(NO3)2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaNO3 (aq)
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