Which element is found in both potassium chlorate (KClO3) and zinc nitrate (Zn(NO3)2)?

hydrogen

oxygen

potassium

zinc

5 Answers

  • oxygen, which is what that letter "O" stands for.

  • Oxygen

  • KClO3 -----> KCl + O2 first you stability the equation: 2KClO3 -----> 2KCl + 3O2 ratio KClO3 to KCl is two:2, it quite is a million:a million so which you like 27 moles of KClO3 to offer 27 moles of KCl

  • just look at the formula

    what is repeated

    O3

    sometimes it's hard to see the forest for the trees

    all the best

  • O

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