Calcium has three different isotopes. One has a mass of 35.00 amu; another has a mass of 41.00 amu, and another has a mass of 40.00 amu. Calculate the percentage abundance of each isotope and determine the relative atomic mass for calcium.

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Ase your answer to this question on the information below.hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant.the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen.chemical equation: ch4 + 2o2 → co2 + 2h2o + 1.48 × 10−18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product.nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.

An observation that requires measurement is called quantitative observable or qualitative