Problem: A metal (M) forms a compound with the formula MCl3.If the compound contains 65.57 % Cl by mass, what is the identity of the metal?

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We are asked what is the identity of the metal if the compound contains 65.57 % Cl by mass.


% Cl = molar mass Clmolar mass MCl3×10065.57 = 3(35.45)molar mass MCl3×100molar mass MCl3= 3(35.45)65.57×100

molar mass MCl= 162.19 g/mol


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Problem Details

A metal (M) forms a compound with the formula MCl3.

If the compound contains 65.57 % Cl by mass, what is the identity of the metal?

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Our tutors have indicated that to solve this problem you will need to apply the Mass Percent Formula concept. You can view video lessons to learn Mass Percent Formula. Or if you need more Mass Percent Formula practice, you can also practice Mass Percent Formula practice problems.

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