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0.005M K2Cr2O7 solution for calibration of UV.why 0.005M

0.005M K2Cr2O7 solution for calibration of UV.why 0.005M K2Cr2O7?..

Answer / newton

That does not look correct. Maybe you should try the

Newtonian constant of gravitation

Value 6.673 84 x 10-11 m3 kg-1 s-2

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