Question

How many moles of KBr are required to prepare 0.0700 moles of Br2 according to the reaction?
KBrO3+5KBr+6HNO3→6KNO3+3Br2+3H2O​

Answer 1

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A. 0.0233

Explanation:

according to the equation,

no. of moles of KBrO3 : no. of moles of Br2 = 1 : 3

no. of moles of KBrO3

= ⅓ × 0.0700mol

= 0.0233