Question

WRITTING PARAGRAPH
a) Covid-19 is spreading in almost all countries in the world . Discuss possible measures to help people avoid this disease
b) Covid-19 is spreading in almost all countries in the world .What consequences do you think it this disease can afrct society

Answer 1

Answer:

Since the density is equal to the mass divided by the volume, so the mass will be equal to the multiplication of the density and mass. Hence, we have given the one mole of the water in the problem. =6.023×1024 electron. Hence the total number of electrons present in 18mL water is 6.023×1024.

Explanation: