Mass spectrum of zirconium, relative abundance

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The mass spectrum of zirconium with five peaks from m/z 90 to 96, the tallest at m/z 90 scaled to 100 — The mass spectrum of zirconium, its five natural isotopes from m/z 90 to 96, drawn with the tallest peak, zirconium-90, scaled to 100 and the others against it, as many textbooks and instruments show a spectrum.

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Answer key

Zirconium (Zr): relative atomic mass 91.22
Relative atomic mass: (89.905 × 51.47 + 90.906 × 11.23 + 91.905 × 17.16 + 93.906 × 17.36 + 95.908 × 2.78) ÷ 100 = 91.22

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