Editing CP Stoichiometry Homework Set 2
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Answer the following problems showing all appropriate work and Using Mole Wheel in your folder.<br> <br> 1) How many liters (2021-2022 use grams) of NH<sub>3</sub> are needed to react completely with 30.0L of NO in the following chemical reaction. Assume all gases @STP.<br> 4 NH<sub>3 (g)</sub> + 6 NO<sub>(g)</sub> --> 5 N<sub>2 (g)</sub> + 6 H<sub>2</sub>O<sub>(g)</sub><br> <br> <br> <br> <br> <br> <br> <br> <br> <br> 2) How many grams of Fe<sub>2</sub>O<sub>3</sub> are formed when 16.7g of Fe reacts completely with oxygen?<br> 4 Fe<sub>(s)</sub> + 3 O<sub>2 (g)</sub> --> 2 Fe<sub>2</sub>O<sub>3 (s)</sub><br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> 3) How many grams of calcium oxide do I need to react to obtain 0.905g of Hg as described by following reaction.<br> 4 <nowiki>HgS</nowiki><sub>(s)</sub> + 4 <nowiki>CaO</nowiki><sub>(s)</sub> --> 4 Hg<sub>(l)</sub> + 3 <nowiki>CaS</nowiki><sub>(s)</sub> + 1 <nowiki>CaSO</nowiki><sub>4 (s)</sub><br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> <br> Answer: 1) 20.0L NH<sub>3</sub> @ STP (for 2022 students 11.4 grams) 2) 23.9g Fe<sub>2</sub>O<sub>3</sub> 3) 0.252g <nowiki>CaO</nowiki><br> <P style="page-break-before: always"> <br>
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