Question

Calculate the formula weight of NaOH

Answer 1

The formula weight of NaOH is
Na = 23
O = 16
H = 1
Adding the up,
we get,
23+16+1=40g

Answer 2

sodium hydroxide = NaOH 
Formula mass: 
Na = 23 
O = 16 
H=1 
Add these up: result is 40 
Answer: formula mass of NaOH = 40g