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QUESTION For the reaction Nacio 2(aa) 2H200) how many moles of Cl2 are needed to react with 240 g NaOH? a 0.150 mol Cl2 b 0.600 mol Cl2 20 mol Cl2 d 0.300 mol C12 e 0.400 mol Cl2


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Answer #1

Given

number of moles of NaOH = mass / molar mass = 24g / 40g/mol = 0.6 moles

from the reaction,

4 moles of NaOH reacts with 2 moles of Cl2

then 0.6 moles of NaOH reacts with (2*0.6) / 4 = 0.3 moles of NaOH

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