**15 PTS* GUYS THIS QUESTION WONT LET ME PASS UNLESS I GET IT RiGHT HELPPP IVE BEEN SITTING FOR 3 HOURSSSSSA sample of hydrogen gas occupies 50,4 L at STP. This sample contains how many moles of hydrogen atoms?!
check with your teacher or tech support because thats the right answer. also dang youre doing this in middle school? I didn't do this until sophomore year!