Register
How many moles are in 42.1 grams of NaCl?​
133k views
2 votes
How many moles are in 42.1 grams of NaCl?​

User Vijaya Kumar
by
4.3k points

1 Answer

3 votes

Answer:

0.71

Step-by-step explanation:

The molecular mass of NaCl is, 23+35.5

= 58.5

1 mole means molecular mass (in gram)

In 58.5 gm NaCl there is 1 mole.

So, 42.1 gm NaCl contains 42.1/58.5 =0.71 moles.

User Deepali Mittal
by
5.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.4m answers

Other Questions

How many pounds in a 3.00 l bottle of drinking water?
Write the parts of the electromagnetic spectrum in order from lowest frequency to highest frequency
Explain why we must balance all chemical equations.
Which subatomic particle is the lightest? (a) neutron (b) proton (c) electron (d) all of the above (obviously not the last one, I guess)
Why do you believe knowing how elements and compounds react together is essential in everyday matters?
Link Copied!