Water has a mass per mole of 18.0 g/mol, and each water molecule (h2o) has 10 electrons. (a) how many electrons are there in 7.74 liters of water? (1 liter is equivalent to 1.00 × 10-3 m3) (b) what is the net charge of all these electrons?

a) electrons are present is 7.74 L of water.

b) is the net charge of all these electrons

Explanation:

a) Molar mass of the water = 18 g/mol

Volume of water = 7.74 L

Density of water = 1000 g/L

Mass of water in 7.74 L of water :

Mass of the water = 7740 g

Moles of water =

molecules

Number of water molecules in 430 moles:

molecules

1 molecule water contains = 10 electrons

Then electrons

electrons are present is 7.74 L of water.

b) The net charge of all these electrons:

Charge on 1 electron =

The net charge of all these electrons:

is the net charge of all these electrons

well clustered together.

points close on a scatter diagram

find the sum of the two horizontal vectors and the sum of the two vertical vectors

isoceles right angled triangle