47) What isotope is formed when Fe-52 decays by beta emission? Express the answer in the format...

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47) What isotope is formed when Fe-52 decays by beta emission? Express the answer in the format of element symbol-mass number (example U-238)

48) C-14 undergoes ___________ decay to form the stable isotope N-14.

49) What is the pH of a solution if the concentration of H₃O⁺ is 1.0 x 10^-3 M?

50) What is the pH of a solution if the concentration of OH^- is 1.0 x 10^-2M?

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