How many 150 mg tablets should a 50.4 lb child take to receive the same dosage?

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?

In salt water solution,the salt is the blank

How many molecules are in 6.0 moles of methane