Question

calculate the number of moles present 4gNaOH​

Answer 1

Answer:0.1 mol

Explanation: no.of mol = 4/40 = 0.1

Answer 2

Answer:

hello

this is ur answer

Number of moles =mass/molar mass

answer with units of moles

i.e,number of moles = 4.g/

40.g.mol-1=0.1.mol.

I hope its help u........