stoichiomery ws 2(1).docx - 1. Automotive air bags inflate...

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1.Automotive air bags inflate when a sample of sodium azide, NaN3, is very rapidly decomposed. 2NaN3(s)2Na(s)+3N2(g) What mass of sodium azide is required to produce 73.6 L of nitrogen gas with a density of1.25 g/L?3.What volume of 0.750 M hydrochloric acid solution can be prepared from the HCl produced by thereaction of 25.0 g of NaCl with excess sulfuric acid?(s)
4.What volume of a 0.2089 M KI solution contains enough KI to react exactly with the Cu(NO3)2in 43.88mL of a 0.3842 M solution of Cu(NO3)2?KNO3
5.A mordant is a substance that combines with a dye to produce a stable fixed color in a dyed fabric.Calcium acetate is used as a mordant. It is prepared by the reaction of acetic acid with calcium hydroxide.CH3CO2H +Ca(OH)2Ca(CH3CO2)2+H2What mass of Ca(OH)2is required to react with the acetic acid in 25.0 mL of a solution having adensity of 1.065 g/ mL and containing 58.0% acetic acid by mass?6. The toxic pigment called white lead, Pb3(OH)2(CO3)2O

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Term
Fall
Professor
NoProfessor
Tags
Sulfuric acid, Sodium hydroxide

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