Answer:
194.19 g/mol
Explanation:
I hope this helps!
it can help heat or cool a room.
I think this is right...
I wrote this answer to get points lol
Explanation:gbbbynuy
B g gyngybfvtfftdtcdt
Answer:J.J. Thomson, he was using a high-vacuum cathode-ray tube
Explanation:(I Googled it)
