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1. ### How to find Molarity of Fe?

Mn{7+} + 5 Fe{2+} → Mn{2+} + 5 Fe{3+} Supposing the question to be: When 22 mL of a solution containing 0.01 M Mn{7+} ions reacts with 20 mL of a solution containing Fe{2+} ions, what...

1 Answers · Science & Mathematics · 18/09/2018

2. ### What volume (mL) of a 3.00M KI stock solution would you use to make 0.300 L of a 1.25M KI solution?

...you with liters as it should. 0.125 L. You can convert to mLs if you like as well (or if it asked for it in mLs). 0.125 L...

3 Answers · Science & Mathematics · 02/05/2017

3. ### Molarity and Titration Chemistry question?

1. (11 mL) x (4 M) / (250 mL) = 0.176 M NaOH 2.A. (0.45 g KHP) / (204.22 g/mol) = 0.0022035 = 0.0022 mol KHP 2.B. (0.0022 mol KHP) x (1 mol NaOH / 1 mol KHP) / (0.176 mol/L NaOH) = 0.0125 L = 12.5 mL...

1 Answers · Science & Mathematics · 11/04/2017

4. ### Chem lab exam practical question.NEED HELP?

You must be supplied with some other materials and/or equipment. There is no mention of a burette for example and you'll certainly need one of those. Your standard alkali is 0.1M and you test sample is about 1M so you will need to dilute it, therefore you...

1 Answers · Science & Mathematics · 24/03/2017

5. ### How many mLs of 0.5M H2SO4 would be needed to titrate 0.6 L of 0.03 M NaOH?

Here's one I answered a bit before yours: https://answers.yahoo.com/question/index?qid=20161202102857AApz0z9 For your problem, we need the moles of NaOH: (0.03 mol/L) (0.6 L) = 0.018 mol...

1 Answers · Science & Mathematics · 15/12/2016

6. ### CHEMISTRY HELP!?

1. CaCl2 is acidic and Na3PO4 is basic, so after they are mixed measure the pH of the solution. If it's acidic CaCl2 was in excess and Na3PO4 was limiting, and the opposite if it's basic. 2. Rinse...

1 Answers · Science & Mathematics · 20/11/2016

7. ### help with titration calculations?

The same concepts/methods are used in titration and neutralization. You approach is exactly correct, as is your reasoning. However, check your (and my) math. One of us made an error...

2 Answers · Science & Mathematics · 25/10/2016

8. ### Motivation problem for chemistry?

...rdcpix.com/v02/l0c6caa45-c0l.jpg or better yet this http://img13.cinccdn.com/201602/MLS/MRED/298/MRED-RESAD-09130298-1.jpg Look at the ...

4 Answers · Science & Mathematics · 30/05/2016

9. ### What volume (mL) of a 3.00M KI stock solution would you use to make 0.300 L of a 1.25M KI solution?

...you with liters as it should. 0.125 L. You can convert to mLs if you like as well (or if it asked for it in mLs). 0.125 L...

3 Answers · Science & Mathematics · 16/05/2016

10. ### How do you find concentration of HCl when given both mLs and concentration of NaOH? Please help I have been trying for hours!?

You have : ------------------ ( M HCl ) ( V HCl ) = ( M NaOH ) ( V NaOH ) M HCl = ( M NaOH ) ( V NaOH / V HCl ) M HCl = ( 0.02387M ) ( 42.10...

1 Answers · Science & Mathematics · 08/10/2015