Given that the molar mass of NaNO3 is 85. 00 g/mol, what mass of NaNO3 is needed to make 4. 50 L of a 1. 50 M NaNO3 solution? Use Molarity equals StartFraction moles of solute over liters of solution EndFraction. 6. 75 g 18. 9 g 255 g 574 g.

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?