Join IDNLearn.com and start exploring the answers to your most pressing questions. Ask anything and receive comprehensive, well-informed responses from our dedicated team of experts.
Answer:
2.25 moles
Converting Mass to Number of Moles
This the same as multiplying by the reciprocal of 40 g/mol. If the equation is arranged correctly, the mass units (g) cancel out and leave moles as the unit. There are 2.25 moles of NaOH in 90g of NaOH.