If 2.55 g of silver are produced from the reaction, how many moles of copper(II) nitrate are also produced?

Idon’t understand this page, can someone ?

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

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?