One circle have 1.4 degree mynus by 0.94 degree and plus buy 0.1p
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Answer:
0.25
25 mL of 1×10
−3
M MnO
4
−
=25 mL of 5×10
−3
N MnO
4
−
=0.125 milliequivalents of MnO
4
−
=0.125 milliequivalents of CaC
2
O
4
=0.125 milliequivalents of Ca
2+
=0.125×20 mg of Ca
2+
in 10 mL
=0.25 mg of Ca
2+
in 1 mL
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