Analysis of a metal chloride `XCl_(3)`, shows that it contains 67.2% Cl by mass. Calculate the molar mass of X.
Analysis of a metal chloride `XCl_(3)`, shows that it contains 67.2% Cl by mass. Calculate the molar mass of X.
A. 26
B. 39
C. 52
D. 78
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`XCl_(3)`
mass of chlorine `=106.5`
Total mass `=106.5+M_(x)`
`(106.5)/(106.5+M_(x))=(67.2)/(100)`
`rArrM_(X)=52gm`
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