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Calculate the molar mass of water (H2O).
Calculate the molar mass of water (H2O).
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Practice Questions
1 question
Q1
Calculate the molar mass of water (H2O).
16 g/mol
18 g/mol
20 g/mol
22 g/mol
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The molar mass of water is calculated as follows: H (1 g/mol) x 2 + O (16 g/mol) = 18 g/mol.
Questions & Step-by-step Solutions
1 item
Q
Q: Calculate the molar mass of water (H2O).
Solution:
The molar mass of water is calculated as follows: H (1 g/mol) x 2 + O (16 g/mol) = 18 g/mol.
Steps: 6
Show Steps
Step 1: Identify the elements in water (H2O). There are 2 hydrogen (H) atoms and 1 oxygen (O) atom.
Step 2: Find the molar mass of hydrogen (H). It is 1 gram per mole (g/mol).
Step 3: Since there are 2 hydrogen atoms, multiply the molar mass of hydrogen by 2: 1 g/mol x 2 = 2 g/mol.
Step 4: Find the molar mass of oxygen (O). It is 16 grams per mole (g/mol).
Step 5: Add the total molar mass of hydrogen to the molar mass of oxygen: 2 g/mol (from H) + 16 g/mol (from O) = 18 g/mol.
Step 6: The final result is the molar mass of water, which is 18 g/mol.
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