Two samples of a compound containing elements a and b are decomposed. the first sample produces 15 g of a and 35 g of b. you may want to reference ( page 49) section 2.3 while completing this problem. part a the second sample produces 10 g of a and what mass of b? the second sample produces 10 of and what mass of ?

According to law of definite proportion, for a compound, elements always combine in fixed ratio by mass.

The formula of compound remains the same, let it be a_{x}b_{y} where, a and b are two different elements.

Since, the ratio of mass remains the same , calculate the ratio of masses of element a and b in both cases

\frac{a}{b}=\frac{15}{35}=\frac{10}{y}

rearranging,

y=\frac{10\times 35}{15}=23.3

Thus, mass of b produced will be 23.3 g.

more infor would

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