The density of a gas at S. T.P. is 1.26 grams per liter. What is the mass of this gas in grams per mole? a) 1.26 b) 6.02 c) 17.3 d) 28.2​

Imagine that twenty i.u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?