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The molar mass of H2O is 18.01 g/mol . The molar mass of 02 is 32.00 g/mol What is the mass of H20 in grams,must react to produce 50.00 of 02

The molar mass of H2O is 1801 gmol The molar mass of 02 is 3200 gmol What is the mass of H20 in gramsmust react to produce 5000 of 02 class=

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Answer:

Option 4 : 56.28g

Explanation:

2H2O ---> 2H2 + O2

Step 1: calculating moles O2

⇒For each mole O2 we have 2 moles of H2

1) (50.00g O2)/(32.00g/mol O2) = 1.563mol O2

⇒For each mole O2 we have 2 moles of H2, so we multiply moles of O2 by 2 to get moles of H2O

Step 2: Calculating moles H2O

2) (1.563mol O2)(2mol H2O/1mol O2) = 3.125mol H2O

Step 3: Calculating mass H2O

3. (3.125mol H2O) * (18.01g/mol H2O) = 56.28g H2O

We need 58.28g H2O to make 50.00g O2

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