Which chemical equation below shows a balanced reaction that follows the law of conservation of matter? (1 point)
2H_{2} +2O_{2} -> 2H_{2}*O
H_{2} + O_{2} -> H_{2}*O
2H_{2} + O_{2} -> 2H_{2}*O
H_{2} + O_{2} -> 2H_{2}*O
1 answer
2H_{2} + O_{2} -> 2H_{2}*O