10. Natural rubidium is composed of the isotopes 8Rb, which has an actual mass of 84.9117 amu, and °'Rb. Given that the abundance ratio of 8Rb/Rb in natural rubidium is 2.591, calculate the actual mass of rubidium-87 ( Rb). 87

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A: the molecular formula of this substance is PH3 and the name of this compound will be phosphine.

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A: The formula for fractional abundance is, Fractional abundance=0.01×Abundance(%)

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A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

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A: Given: Radius of tantalum atom = 142 pm And total distance given = 2.85 mm.

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Q: Complete the following shorthand notations: ? (р, а) Li 31P (a, ?) ES 15 242 66Cm (α, n) ? 25Mg…

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Q: 2. The atomic masses of 35Cl (75.53%) and 37Cl (24.47%) are 34.968 amu and 36.956 amu, respectively.…

A: We'll answer the first question since the exact one wasn't specified. Please submit a new question…

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Q: 12. Rubidium is a soft, silvery-white metal that has two common isotopes, Rb and "Rb. If the…

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Q: How many protons are in 2.08 x 10-21 g of F?

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A: As per our guidelines , we can only solve first question. Please resubmit other questions as next…

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Q: There are two naturally occurring isotopes of europium, 151Eu(151.0 amu) and 153Eu(153.0 amu). If…

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