Question #18488 - Socratic The degree of dissociation sf (alpha=0 0158) sf (K_b=2 51xx10^ (-6)color (white) (x)"mol l") Triethyamine is a weak base and ionises: sf ( (CH_3)_3N+H
How many grams are there in 7. 8x1019 atoms of Beryllium (Be)? Well, we know that 6 022xx10^23 beryllium atoms have a mass of 9 01*g How do we know this well 6 022xx10^23 specifies Avogadro's number, and the atomic masses are conveniently printed on the Periodic Table that is conveniently beside you