A. Iron is the best insulater
Answer:
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
Hello,
I think the answer is B) It is second longest river in south america
Hope this helps!!
~Girlygir101~
PH + poH = 14
6.2 +poH = 14
poH = 7.8