During one researcher's experiment, the total mass of the gas-generating solid and entire assembly was 52.1487g before the reaction and 52.1098g after the reaction. if the number of moles of gas generated was calculated to be 8.854 x 10-4 mol, what is the molar mass of the gas?

43.93 g/mol

Explanation:

The mass of the gas before reaction = 52.1487 g

The mass of the gas after reaction = 52.1098 g

Mass of gas generated = 0.0389 g

Moles of the gas =

The formula for the calculation of moles is shown below:

Thus,

Molar mass of the gas = 43.93 g/mol

i think the answer is terrae but not 100 percent sure. ▓▬▬ §

metals are good conductor of electricity. it has free electrons on their surface. according to electron pool theory, each atom present in a metal crystal losses all of its valence electron and as a result a pool of free is form. these pool of electrons are free to move and   conduct electricity easily   while making metal as good conductor.

the correct answer is a. the ability of electrons to flow throughout the metal.

if it's not useful, feel free to report for mistake in answer.