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What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

If two atoms are bonded to a central atom with no lone pairs, how will they be arranged

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?