(e) Calculate the mass of one atom of sodium.
Use the equation:
relative atomic mass
mass of one atom of sodium =
Avogadro constant
Avogadro constant = 6.02 x 1023
Give your answer to 2 significant figures

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Tell me the iupac names of the following alcohols: