How many moles are in 90g of NaOH

Zahra Shahrouzi asked Mar 6, 2023

267,316 views

5 votes

Zahra Shahrouzi asked Mar 6, 2023

2.2k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

11 votes

So,

To find the number of moles in 90g of NaOH, what we do is to divide the given amount by the molar mass of NaOH.

The molar mass of NaOH is 40g/mol.

So,

$(90gNaOH)/((40gNaOH)/(mol))=2.25\text{ moles of NaOH}$

Therefore, the correct answer is A. 2.25moles

Thenickname answered Mar 10, 2023

2.9k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers