1- One mole is = 6.02 x 10^23 of anything, So one mole of atoms is 6.02x10^23.

2- when the balloon contains 0.15 moles of Co2 gas so:

the no.of molecules of Co2 = 0.15 x 6.02x 10^23

= 9.0 x 10^22

5 0

3 years ago

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The scale most widely used by scientist for measuring earth quakes is called what

DanielleElmas [232]

A sesimograph or a sesimogram.

8 0

3 years ago

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When a 0.4500 g sample of impure potassium chloride was dissolved in water and treated with an excess ofsilver nitrate, 0.8402 g

Svetllana [295]

Answer:

97.78% KCl in the original sample

Explanation:

5 0

2 years ago

According to the kinetic molecular theory, particles of matter

sladkih [1.3K]

Answer:

are in constant motion

Explanation:

according to the kinetic molecular theory, particles of matter

are in constant motion

8 0

3 years ago