on analysis , it was found that the black oxide of copper , red oxide of copper , litherage, the red oxide of lead and peroxide of lead contain 79.90%, 88.8%, 92.88%, 90.6% and 86.6% respectively of the metal. establish the law of multiple proprotions with the help of data
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On analysis it was found that the black oxide of copper and red oxide of copper contain 80% and 89% of copper respectively. Show that this data is in accordance with law of multiple proportions. Hint : The ratio of Cu combining with fixed weight of oxygen in black and red oxide is 1:2.
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