Given that the abundances of isotopes 54 Fe, 56 Fe and 57 Fe are 5%, 90% and 5%…
Chemistry · JEE Main · NTA Exams — Some Basic Concepts in Chemistry
Given that the abundances of isotopes 54Fe, 56Fe and 57Fe are 5%, 90% and 5%, respectively , the relative atomic mass of Fe is:
- 55.85
- 55.95
- 55.75
- 56.05
Answer
(A) 55.85
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The Equivalent weight of an element is 13. It forms an acidic oxide which with KOH forms a salt isomorphous…
- A 1 g of an element give A 2 g of its oxide. The equivalent mass of the element is:
- The volume equivalent of CO 2 in the reaction at NTP: NaHCO _ 3 + HCl NaCl + H _ 2 O + CO _ 2
- A sample of pure calcium weighing 1.35 g was quantitatively converted to 1.88 g of pure calcium oxide. Atomic…
- The mass of CaO that shall be obtained by heating 20 kg of 90% pure lime-stone (CaCO 3 ) is
- A solution is prepared by adding 2 g of "X" to 1 mole of water. Mass percent of "X" in the solution is (Jee…
- Two isotopes of Boron are found in the nature with atomic weight 10.01(l) and 11.01 (II). The atomic weight…
- The Ew of H 3 PO 4 in the reaction is Ca(OH) 2 + H 3 PO 4 → CaHPO 4 + 2H 2 O (Ca = 40, P = 31, O = 16)
More Some Basic Concepts in Chemistry questions · Browse all practice questions