exoticbunnylover123
17.12.2020 •
Chemistry
An ion contains 54 electrons after its atom gained 1 electron to form a stable electron structure. What is the ion
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Ответ:
0.108 moles BaCO3
Explanation: You have to divide the moles by the molar mass of BaCO3, which is 197.34. The grams will cancel out, and you're left with 0.108 moles, which has been rounded to 3 sig figs.