The gas flows from higher concentration/pressure to lower concentration/pressure, which is outside the ball.
When sunlight hits the moon's surface, the temperature can reach 260 degrees Fahrenheit (127 degrees Celsius). When the sun goes down, temperatures can dip to minus 280 F (minus 173 C).
There are 3 moles of

<span>per 1 mole of salt and 1 mole of

</span>per mole of salt, the total ionic concentrations must be

of

, and

of
Because it has atomic no. = 1 (according to modern periidic table)