Question

how many proton are present in 180ml of water​

Answer 1

1 hydrogen atom has 1 electron. Thus, 1 water molecule has 10 electrons. = 100 X 6.023 X 10^23 electrons = 6.023 X 10^25 electrons. And that is the number of electrons in 180 ml water , at 4 degree celsius.

Answer 2

There are 6.022 × 10^25 protons in 180mL of water