Answer these questions, expressing each number to four decimal places. An Erlenmeyer flask contains 25.00 mL of 0.10 M
HCl before titration. Which expression shows how
to find the moles of hydrogen ions present in the
flask?
How many moles of hydrogen ion are present in
the flask?
moles H+

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?