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E-... ??a search ? www.saplinglearning.com/bosoms mod Jump to... Ennet Kadiyole . mmunity College-CHEM 101-Summer18 Activities and Due Dates > Week 9-NEW ?7512018 11:55 PM?07/10?713/2018 1207 AM Print iCalculator Periodkc Table Question 1 of 14 Sapling Learning Stoichiometry is best defined as the O quantitative relationship between reactants and products in a chemical reaction. quaitative relationship between reactants and products in a chemical reaction. study of chemical reactions O Given the tollowing reaction, how many moles of Z will be produced from 4.35 moles of A as excess B7 Number moles z

Explanation / Answer

2A + 3B----------> 4Y + 5Z
2 moles of A react with B to gives 5 moles of Z
4.35 moles of A react with excess of B to gives = 5*4.35/2 = 10.875 moles of Z
a.FeO + CO -------> Fe + CO2
1 mole of FeO react with CO to gives 1 mole of Fe
6.75 moles of FeO react with excess of CO to gives 6.75 moles of Fe
6.75 moles of Fe >>>>answer

b. 6HCl + 2Al ----------> 3H2 + 2AlCl3
   6 moles of HCl react with Al to gives 3 moles of H2
   5.2 moles of HCl react with excess of Al to gives = 3*5.2/6 = 2.6 moles of H2

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