A student performs a titration with different burettes and finds titre values of 25.2 mL, 25.25 mL and 25.0 mL. The number of significant figures in average titre value is:

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answer is 3.

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Detailed Solution

Average titre value =25.2+25.25+25.03=75.453=75.43=25.1(In addition, result is reported upto least place of decimal)

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