How many moles in 270g of water

The molar mass of water (H2O) is approximately 18 g/mol.

To calculate the number of moles in 270g of water, you can use the formula:

moles = mass / molar mass

moles = 270g / 18 g/mol
moles = 15 mol

Therefore, there are 15 moles in 270g of water.