¿Cuántos gramos de H2O habrá en 3,0115x1023 moléculas de agua?

Answer : The weight of water is 9 g

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to its molecular mass and contains avogadro's number of particles.

To calculate the number of moles, we use the equation:

1 mole of water weighs = 18 g

0.5 moles of water weighs =

Thus the weight of water is 9 g

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

→

43.452

step-by-step explanation:

284 times .153 = 43.452