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 63 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
YES! Correct, THANKS for helping me on my review


Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library