ࡱ> >@= bjbj >rr&&$0%^L  $$$$$$$$&@)$!!!$$555!^$5!$55$"c$P1xceL#&$%00%#**Lc$*c$8!!5!!!!!$$!!!0%!!!!*!!!!!!!!!& F: Name ____________________________________________________ Chemistry I HD - Chapter 10: Stoichiometry Part 2 Study Guide Goals: Define: HYPERLINK "http://www.nettrekker.com/subject/?ctgry_id=X102646"mole Convert grams to moles, moles to grams, atoms to moles, moles to atoms, atoms to grams, grams to atoms for an element or compound (from Part I) Know the value and definition of HYPERLINK "http://www.nettrekker.com/results/?ctgry_id=X102662"Avogadros number. (from Part I) Explain HYPERLINK "http://www.nettrekker.com/results/?ctgry_id=X102651"mole ratio Calculate HYPERLINK "http://www.nettrekker.com/results/?ctgry_id=X102651"theoretical yields when given the liming reactant (Convert: moles A to moles B, grams A to moles B, moles A to grams B, grams A to grams B) Stoichiometry 1. MgO + H2O -----> Mg(OH)2 If you started with 3.7 moles of magnesium oxide, how many moles of magnesium hydroxide would be produced? Na + I2 ---> NaI If 2.8 grams of sodium were used for the reaction, and an excess of iodine was present, how many moles of sodium iodide would be produced? 3. N2 + 3 H2 ------> 2 NH3 How many grams of ammonia were produced if you started with 10 moles of nitrogen and excess hydrogen gas? Pb(NO3)2 + K2CrO4 --> PbCrO4 + 2 KNO3 If you started with 0.97 g of K2CrO4 and excess Pb(NO3)2, how many grams of KNO3 could be produced? LIMITING REACTANT 5. Pb(NO3)2 + K2CrO4 --> PbCrO4 + 2 KNO3 If you started with 0.97 g of K2CrO4 and 0.97g Pb(NO3)2, how many grams of KNO3 could be produced? How many grams of PbCrO4 could be produced? How much of the left over reactant will be present at the end of the reaction? 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