Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons.
that is correct. Generally, folks come here to ask questions, rather than just state facts.
To determine the number of electrons in a water molecule (H2O), we need to consider the atomic structure of the elements involved.
In a water molecule (H2O), there are two hydrogen atoms (H) and one oxygen atom (O). Hydrogen has one electron in its outer shell, while oxygen has six electrons in its outer shell.
To find the total number of electrons in a water molecule, we can add up the number of electrons from each atom:
- Two hydrogen atoms with one electron each: 2 electrons
- One oxygen atom with six electrons: 6 electrons
Therefore, a water molecule (H2O) has a total of 2 + 6 = 8 electrons.
Now, let's calculate the molar mass of water (H2O). The molar mass is the mass of one mole of a substance, which is expressed in grams per mole (g/mol).
Given that the mass per mole of water is 18.0 g/mol, it means that 1 mole of water weighs 18.0 grams.
Therefore, the molar mass of water (H2O) is 18.0 g/mol.
To summarize:
- A water molecule (H2O) contains 8 electrons.
- The molar mass of water (H2O) is 18.0 g/mol.