This short instructional video covers two crucial aspects: the first being a step-by-step guide on how to properly weigh a sample to obtain accurate and precise readings. The second aspect is the notion of significant figures, which plays a crucial role in any calculation; from your practical laboratory work to the calculations carried out in your course work.

This video was made by postgraduate students focused on promoting science to young people through interactive activities and experimental demonstrations. They are part of the /"WHIZZBANG TEAM/" of the School of Chemistry: Copyright: University of the Witwatersrand, Johannesburg, South Africa.

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