Interpretation: The amount of water formed by reacting 4.8 grams of hydrogen with 38.4 grams of oxygen should be calculated.
Concept Introduction: In a chemical change, the
Answer to Problem 38LC
Explanation of Solution
The balanced
From the above-balanced reaction, it can be observed that 2 moles of hydrogen react with one mole of oxygen to form 2 moles of water.
Calculating the number of moles of hydrogen and oxygen using the formula:
The number of moles of hydrogen:
The number of moles of oxygen:
Since, the molar ratio of hydrogen and oxygen is the same as of balanced reaction that is 2:1 so, according to the law of conservation of mass which states that mass is conserved in any chemical or physical change:
The mass of reactants is always equal to the mass of products during any chemical reaction. Thus,
Chapter 2 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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