Question

Calculate the number of moles in 11.0 grams of NaOH . Please show your work to receive credit.

Answer 1

Answer: 0.275 moles

Explanation: Na- 22.99g (on periodic table)

O- 16g and H- 1.01

22.99 + 16 + 1.01 = 40g/mol of NaOH

11g of NaOH / 40g / mol of NaOH = 0.275mol NaOH