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Topic: Please help me to solve this problem  (Read 597 times)

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Offline chucho

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Please help me to solve this problem
« on: December 13, 2020, 12:45:29 PM »
A- ___ KClO3 ---> ___ KCl + ___ O2
B- ___ HCl + ___ Ca(OH)2 ---> ___ CaCl2 + ___ H2O
C- ___ HF + ___ Zn ---> ___ ZnF2 + ___ H2
D- ___ Fe + ___ O2 ---> ___ Fe2O3

Offline chenbeier

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Re: Please help me to solve this problem
« Reply #1 on: December 13, 2020, 02:55:14 PM »
You have to calculate like 1/2 +1/3 =

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