When of a certain molecular compound x are dissolved in of dibenzyl ether , the freezing point of the solution is measured to be . calculate the molar mass of x. if you need any additional information on dibenzyl ether, use only what you find in the aleks data resource. also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits.

thats a little if u want the answer just look it up on google thats what i do haha : )

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considering the question as per the attachment

here we can see that the radon nuclide has 222 as the atomic mass number and 86 as the atomic number.

when it undergoes nuclear fission it gives polonium which has atomic mass number as 218 and atomic number will be 84 along with a helium nucleus which has 4 atomic mass number and 2 as its atomic number.

222 = 218 + 4 (atomic mass number)

86 = ? + 2; therefore ? = 86-2 = 84.

the atomic mass number of polonium will be 84.