Question

If I mixed 100.0 mL of a nitric acid solution of pH = 2.40 with 100.0 mL of a nitric acid solution of pH = 2.70, what would b
If 5.15 grams of iron(III) nitrate (molar mass = 241.86 g/mol) is dissolved in enough water to prepare exactly 150.0 mL of so
How much water would you need to add to 10.0 mL of 0.500 M HCl to produce a solution that is 0.200 M HCI? Just write your ans
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Q.1) pH 1 = 2.4 [H+]= 0.0039M

pH 2 = 2.7 [H+] = 0.00199M

We know M1V1 +M2V2 = M3(V1+V2) ==>M3= 0.0028M

pH = -log [H+] = 2.55

Q.2) Molarity= number of moles×1000/volume in mL ==>M= 5.15×1000/241.86×150 = 0.142M

Add a comment
Know the answer?
Add Answer to:
If I mixed 100.0 mL of a nitric acid solution of pH = 2.40 with 100.0...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT