I personally think that it’s C.
(i’m sorry if it’s wrong)
3*40+3*2*35.5=333* Avogadro’s number =
1.98*10^25
Answer: 310.7 grams
Explanation:
Multiply the two values so the units of mL cancel and you get grams
2.545*122.1 = 310.7 grams
Answer:

Explanation:
Hello there!
In this case, according to the given information, it i possible for us to calculate the density of this gas via the ideal gas equation, according to the following setup:

Thus, we plug in the variables (pressure in atm and temperature in K) to obtain:

Regards!