Colchicine, C22H25NO6, is a naturally occurring compound that has been used as a

Question

Colchicine, C22H25NO6, is a naturally occurring compound
that has been used as a medicine since the time of the pharaohs
in ancient Egypt. Although the reasons for its eff ectiveness
are not yet clearly understood, it is still used to
treat the infl ammation in joints caused by a gout attack.
(a) What is the molar mass of colchicine?
(b) What is the mass, in grams, of 3.2 1022 molecules
of colchicine?
(c) How many moles of colchicine are in a 326-g sample?
(d) How many carbon atoms are present in 50 molecules
of colchicine?

Explanation / Answer

A) molar mass = 399.44 gm/mol B) moles = (3.2e22)/(6.023e23) = 0.053 mol C)moles = 326/399.44 = 0.816 D) no. C molecules = 50*22 = 1100

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---