Answer:

Explanation:
Hello,
In this case, since we can consider hydrogen gas as an ideal gas, we check the volume-pressure-temperature-mole relationship by using the ideal gas equation:

Whereas we are asked to compute the moles given the temperature in Kelvins, thr pressure in atm and volume in L as shown below:

Best regards.
The mass of 100 pills would be 78000 mg and 0.078 kilograms.
Hope this helps you :)
Answer:
Explanation:
2 Na+ 2 H2O → 2 NaOH + 1 H2
The answer is true. It is the last star.
Because its only representing the most stable isotope of that element but its considered the atomic mass and not average atomic mass