CBSE Class 9 - Laws of Chemical Combination Videos
Laws of Chemical Combination
This video explains the law of conservation of mass, the law of multiple proportions and the law of chemical combination.
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Dalton's Atomic Theory
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in a reaction 4.0g of sodium carbonate were reacted with 10g of hydrochloric acid. The product was a mixture of 2.5g of carbon dioxide and 11.5g of sodium chloride.
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- In a reaction 5.3gm of sodium carbonate reacted with 6gm of ethanoic acid , the products were 2.2gm of carbon dioxide, 0.9gm of water and 8.2 gm of sodium ethanoic. Show that , these observations are in agreement with law of conservation of mass.
