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Given the equation representing a reaction: H2 O2 --> H2O . What is the total mass of water formed when 8 grams of hydrogen reacts completely with 64 grams of oxygen?

Respuesta :

Willchemistry
2 H₂ + O₂ = 2 H₂O

4 g H₂ ------------ 32 g O₂----------- 36 g H₂O
 8 g H₂ ------------ 64 g O₂------------ ? g H₂O

Mass of H₂O :

64 * 36 / 32 = 

2304 / 32 =  72 g of H₂O

hope this helps!

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