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Answer :
To convert moles of water ([tex]\(H_2O\)[/tex]) to grams, you need to know the molar mass of water. Here's a step-by-step guide to solve the problem:
1. Understand the Concept:
- Moles refer to the amount of substance.
- Molar mass is the mass of one mole of a substance, usually expressed in grams per mole (g/mol).
2. Determine the Molar Mass of [tex]\(H_2O\)[/tex]:
- Water ([tex]\(H_2O\)[/tex]) is composed of 2 hydrogen (H) atoms and 1 oxygen (O) atom.
- The atomic mass of hydrogen (H) is approximately 1.008 g/mol.
- The atomic mass of oxygen (O) is approximately 16.00 g/mol.
So, to find the molar mass of water:
[tex]\[
\text{Molar mass of } H_2O = (2 \times 1.008) + 16.00 = 18.016 \text{ g/mol}
\][/tex]
3. Calculate the Mass:
- You have 2.00 moles of [tex]\(H_2O\)[/tex].
Use the formula to find the mass:
[tex]\[
\text{Mass in grams} = \text{moles} \times \text{molar mass}
\][/tex]
[tex]\[
\text{Mass in grams} = 2.00 \, \text{moles} \times 18.01528 \, \text{g/mol} = 36.03056 \, \text{g}
\][/tex]
Thus, 2.00 moles of water is equivalent to 36.03056 grams.
1. Understand the Concept:
- Moles refer to the amount of substance.
- Molar mass is the mass of one mole of a substance, usually expressed in grams per mole (g/mol).
2. Determine the Molar Mass of [tex]\(H_2O\)[/tex]:
- Water ([tex]\(H_2O\)[/tex]) is composed of 2 hydrogen (H) atoms and 1 oxygen (O) atom.
- The atomic mass of hydrogen (H) is approximately 1.008 g/mol.
- The atomic mass of oxygen (O) is approximately 16.00 g/mol.
So, to find the molar mass of water:
[tex]\[
\text{Molar mass of } H_2O = (2 \times 1.008) + 16.00 = 18.016 \text{ g/mol}
\][/tex]
3. Calculate the Mass:
- You have 2.00 moles of [tex]\(H_2O\)[/tex].
Use the formula to find the mass:
[tex]\[
\text{Mass in grams} = \text{moles} \times \text{molar mass}
\][/tex]
[tex]\[
\text{Mass in grams} = 2.00 \, \text{moles} \times 18.01528 \, \text{g/mol} = 36.03056 \, \text{g}
\][/tex]
Thus, 2.00 moles of water is equivalent to 36.03056 grams.
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