You have a 9.1 ppm sodium ion (Na', 22.990 g/mol) aqueous solution. Express this in uM (umol/L).

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

How do scientists think that gravity affected the formation of our solar system?

How does a noncompetitive inhibitor reduce an enzyme’s activity?