Chlorine has two isotopes $^{35}Cl$ and $^{37}Cl$ with an average atomic mass of $35.5$. What is the ratio of their relative abundance respectively?
- A$1:1$
- B$2:1$
- C$1:3$
- D$3:1$
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An element,$X$ has the following isotopic composition:
$^{200}X: 90\%$,$^{199}X: 8.0\%$,$^{202}X: 2.0\%$
The weighted average atomic mass of the naturally occurring element $X$ is closest to......$amu$.
$^{200}X: 90\%$,$^{199}X: 8.0\%$,$^{202}X: 2.0\%$
The weighted average atomic mass of the naturally occurring element $X$ is closest to......$amu$.
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$2Cr(OH)_{3} + 4OH^{-} + KIO_{3} \to 2CrO_{4}^{2-} + 5H_{2}O + KI$
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$2Cr(OH)_{3} + 4OH^{-} + KIO_{3} \to 2CrO_{4}^{2-} + 5H_{2}O + KI$
(Molecular Mass $= M$)
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