Amount of substance

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Question 27

Medium

What is the minimum volume, in $cm3\text{cm}^3$ , of 0.020 mol dm^-3 $K2Cr2O7\text{K}_2\text{Cr}_2\text{O}_7$ solution needed to oxidise 0.018 mol of $Fe2+\text{Fe}^{2+}$ ?

\text{Cr}_2\text{O}_7^{2-} + 6\text{Fe}^{2+} + 14\text{H}^+ \rightarrow 2\text{Cr}^{3+} + 6\text{Fe}^{3+} + 7\text{H}_2\text{O}

$15$

$90$

$150$

$540$

Amount of substance

Question 27

Amount of substance Questions

Amount of substance

Question 27

Amount of substance Questions