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Unformatted text preview: liquid level in the burette starts on the graduated scale. If it is not on the scale; momentarily open the tap, this allows the level to drop). Clamp the burette vertically. 6. Take the burette reading (care: it is upside down!) 7. Observe the magnesium react as the acid diffuses downwards, wait until all the magnesium has reacted. 8. Note the new volume on the burette (care: it is upside down). 9. Record your results. Safety Wear eye protection. Questions The equation for the reaction is Mg +2HCl MgCl 2 + H 2 The relative atomic mass of magnesium is 24. 1. Copy out and fill in the gaps: ____ g Magnesium has produced ____cm 3 hydrogen ____ /24 moles magnesium produces _____ cm 3 hydrogen. 1 mole magnesium produces ________cm 3 hydrogen which is the volume of one mole of hydrogen gas. http://www.chemsoc.org/networks/learnnet/Word_files/Kev61-70.doc...
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- Winter '08