Two elements R and Q combine to form two binary compounds. In the first compound

ID: 1044423 • Letter: T

Question

Two elements R and Q combine to form two binary compounds. In the first compound, 23.3 g of R combines with 3.00 g of Q. In the second compound, 7.00 g of R combines with 4.50 g of Q. If the formula of the second compound is RQ, determine the formula of the first compound.
Two elements R and Q combine to form two binary compounds. In the first compound, 23.3 g of R combines with 3.00 g of Q. In the second compound, 7.00 g of R combines with 4.50 g of Q. If the formula of the second compound is RQ, determine the formula of the first compound.

Explanation / Answer

4.50 g. of Q combines with 7.00 g. of R to form RQ

1.00 g. of Q combines with 1.56 g. of R to form RQ

Then,

3.00 g. of Q combines with 23.3 g. of R

1.00 g. of Q combines with 7.77 g. of R

Then the ratio of R in two compounds is 7.77 / 1.56 = 4.98 = 5 (approxi.)

Therfore, Formula of first compound is R5Q

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Two elements, R and Q, combine to form two binary compounds. In the first compou

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Two elements R and Q combine to form two binary compounds. In the first compound

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