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A compound $\mathrm{XCl}_3$ is $70.3 \%$ (by mass) chlorine. What is the molar mass of the compound? What is the symbol and name of X ?
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A compound $\mathrm{XCl}_{3}$ is $70.3 \%$ (by mass) chlorine. What is the molar mass of the compound? What is the symbol and name of X?
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Analysis of a metal chloride $\mathrm{XCl}_{3}$ show that it contains 67.2 percent $\mathrm{Cl}$ by mass. Calculate the molar mass of $\mathrm{X}$ and identify the element.
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