No way! I got the weight of a caffeine molecule right! I am so proud of myself right now. Thanks! I've got water as 3e-26 but that doesn't seem right. Water mol

No way! I got the weight of a caffeine molecule right! I am so proud of myself right now. Thanks! I've got water as 3e-26 but that doesn't seem right. Water molecule x10 lighter than caffeine molecule? "The fuel weighed almost 20 times more than the Shuttle" - makes me want to go play KSP. Yep, I think I've got the fully loaded shuttle + external tank + boosters weight. Thanks a lot!