Which among the following is the heaviest iso | vedclass

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(D) The molecular weight of water isotopes depends on the mass of the hydrogen isotopes $(H=1, D=2, T=3)$ and oxygen isotopes $(^{16}O=16, ^{17}O=17,

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$T_{2}{ }^{18}O$

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(D) The molecular weight of water isotopes depends on the mass of the hydrogen isotopes $(H=1, D=2, T=3)$ and oxygen isotopes $(^{16}O=16, ^{17}O=17, ^{18}O=18)$.Calculating the molar mass for each option:$A$. $T_{2}{ }^{17}O = (3 	imes 2) + 17 = 23 \ g/mol$$B$. $T_{2}{ }^{16}O = (3 	imes 2) + 16 = 22 \ g/mol$$C$. $HD^{18}O = (1 + 2) + 18 = 21 \ g/mol$$D$. $T_{2}{ }^{18}O = (3 	imes 2) + 18 = 24 \ g/mol$Comparing the values,$T_{2}{ }^{18}O$ has the highest molecular weight,making it the heaviest isotope of water.

Which among the following is the heaviest isotope of water?

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