The Coefficient of O₂ After Balancing the Equation Is _____

question 81

Multiple Choice

The coefficient of O₂ after balancing the equation is _____.

• A) 3
• B) 5
• C) 6
• D) 2
• E) 4
• Refer to the reaction below for 48-51.
• Given:
• Sr + H⁺→ Sr²⁺ + H₂

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