This topic contains a solution. Click here to go to the answer

Author Question: A solution contains 10. mmol of H3PO4 and 5.0 mmol of NaH2PO4. How many milliliters of 0.10 M NaOH ... (Read 144 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600

Question 1

A solution contains 0.500 M HA (Ka = 1.0 10–8) and 0.398 M NaA. What is the [H+] after 0.10 mole of HCl is added to 1.00 L of this solution?

1.0 × 10–8M
3.4 × 10–8M
5.0 × 1021M
2.0 × 10–8M
None of these are correct.

Question 2

A solution contains 10. mmol of H3PO4 and 5.0 mmol of NaH2PO4. How many milliliters of 0.10 M NaOH must be added to reach the second equivalence point of the titration of the H3PO4 with NaOH?

250
150
1.0 × 102

50
2.0 × 102


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by haleyc112 on Mar 21, 2021

trampas

  • Sr. Member
  • ****
  • Posts: 320
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly




haleyc112

  • Member
  • Posts: 600
Reply 2 on: Mar 21, 2021
Gracias!


strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

For a complete list of videos, visit our video library