4. Two samples of sodium chloride were decomposed into their constituent element

Question

4. Two samples of sodium chloride were decomposed into their constituent elements. One sample produced 2.10 g of sodium, and 3.23 g of chlorine. Which of the following could be the results of the decomposition of the other sample, being consistent with the law of constant composition (also called the law of definite proportions or the law of definite composition)? a) 4.25 g of sodium and 11.1 g of chlorine b) 4.25 g of sodium and 3.40 g of chlorine c) 4.25 g of sodium and 1.31 g of chlorine d) 4.25 g of sodium and 6.55 g of chlorine

Explanation / Answer

Ans - d) 4.25 gm of sodium and 6.55 gm of chlorine

mass retio to sodium to chlorine = 2.10/3.23 = 0.65

a)mass retio to sodium to chlorine = 4.25/11.1 = 0.38

b)mass retio to sodium to chlorine = 4.25/3.40 = 1.25

c)mass retio to sodium to chlorine = 4.25/1.31 = 3.24

d)mass retio to sodium to chlorine = 4.25/6.55 = 0.65

mass retio to sodium to chlorine in option d) is equal to mass retio given

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