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a) 1.75 g copper gives 2.19 …

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a) 1.75 g copper gives 2.19 g copper oxide. b) 1.135 g copper gives 1.430 g copper oxide. Show that these data confirm the law of definite proportion.

Posted by Varnika Verma 3 years, 6 months ago

CBSE > Class 11 > Chemistry

2 answers

Roopam Almadi 3 years, 6 months ago

Value instead of vaue

1Thank You

Roopam Almadi 3 years, 6 months ago

It's an easy question Don't be panic First take(a) part then, 2.19 - 1.44 = weight of O2 Then take the ratio of copper to oxygen, the ratio comes out to be 3.9 : 1 Then take (b) part 1.430 - 1.135 = weight of O2 Then take the ratio of copper to oxygen, the ratio comes out to be 3.9 : 1 In this way this data illustrate law of definate proportion Don't take approx bcz it is not allowed Take the exact vaue

1Thank You

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