Answer :
n = 5.9/58.5 = 0.10085
Step by step explanation :
Given mass = 5.9g
Molar mass of Na (sodium) = 23g
Molar mass of Cl (chlorine) =35.5
Number of moles(n) = Given mass / Molar mass of NaCl
Molar mass NaCl = 23+35.5 =58.5
n = 5.9/58.5 = 0.10085
