calculate mass of oxalic acid which is required to be added completely with 31.6g of KMNO4. Also, calculate volume of co2 produced at STP.
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2MnO
4
−
+5C
2
O
4
2−
+16H
+
→2Mn
2+
+10CO
2
+8H
2
O
2×22.4L
atNTP 5×22.4L
atNTP
∵2×22.4L reacts with 5×22.4L of oxalic acid.
∴20ml of 0.1M KM
n
O
4
reacts with oxalic acid, =
2×22.4
5×22.4×20
ml=50ml
So, The crrect option is 50ml of 0.1M oxalic acid.
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