(i) Total mixture is 500 g. Sugar concentration is 15 percent, flour is 84 percent and sodium hydrogencarbonate is 1 percent by mass. (ii) Copper is 84 g and zinc is 36 g.
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(i) Total mixture is 500 g. Sugar concentration is 15 percent, flour is 84 percent and sodium hydrogencarbonate is 1 percent by mass. (ii) Copper is 84 g and zinc is 36 g.