What mass of copper(II) nitrate would be produced from the complete reaction of 25.1 g of copper, according to the chemical reaction shown below?

Question

Cu + 2 AgNO3 ----> Cu(NO3)2 + 2 Ag

Answer 1

From the equation 1 mole of copper yields 1 mole of the nitrate.

calculate number of moles of copper from

number of moles od Cu = mass/atomic mass of Cu

this will be the same as the number of moles of the nitrate.

Thus mass of nitrate = number of moles of Cu x molecular mass of Cu nitrate.