What Is the Coefficient of Hydrogen Gas After Balancing the Following

question 88

Multiple Choice

What is the coefficient of hydrogen gas after balancing the following equation? __Co(s) + __HCl(aq) → __CoCl3(aq) + __H₂(g)

• A)1
• B)2
• C)3
• D)4
• E)none of the above

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