Which one is heavier?1mole of phd4,1mole oh h2 and 1 mole of PB(NO3)2

2 answers

Please review what you typed. My money is on the H2 but I have no idea of the grams/mol of whatever phd4 is. Is it an advanced degree?
Probably an advanced degree, something like a post-post-post doc. My money is on Pb(NO3)2.
Phd4 could be phenyldeuteride but that wouldn't come close to lead(ii) nitrate; i.e., plumbous nitrate. I'm more inclined, when I look at the other typos that this just another typo. Assuming something like phenyl for Ph that is C6H2 + D4 = 72 + 2 + 8 = ?
H2 = 2
Pb(NO3)2 = 207 + 62 + 62 = ?
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