Answer: 3 oxygen atoms!
Explanation: Let me know if I'm wrong, if not I'm happy to help!
Math that what my friend says math!!!
mFeSO₄ = mFe + mS + 4·mO = 56g + 32g + <span>4·</span>16g = <u>152 g/mol</u>
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Answer:
Element Symbol Atomic Mass # of Atoms Mass Percent
Chlorine Cl 35.453 2 29.670%
Calcium Ca 40.078 1 16.770%
Oxygen O 15.9994 8 53.559%
Explanation:
<span>Nickel carbonate tetrahydrate</span>