a nugget of gold and quartz weighs 100g. specific gravity of the gold, quartz and nugget are 19.3, 2.6 and 6.4g mL-1 respectively.calculate the weight of gold in nugget.
now, let the weight of gold be x. then wt of quartz is 100-x
moles of gold + moles of quartz = moles of nugget. (moles = wt/at wt)
solving for x, we get 22.75g
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