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Calculate the pH of 1.00 L of a buffer that is 0.100 M HNO₂ and 0.190 M NaNO₂. What is the pH of the same buffer after the addition of 1.00 mL of 12.0 M HCL. (pKa of HNO₂= 3.40) ( I need the Original buffer
answered
Nov 9, 2024
Chemistry
high-school
1
answer
93.4k
views
Mr. Chang needs to buy mulch for his garden. He drew a diagram of his garden. Each square represents 1 square yard. Five pounds of mulch is enough to cover 50 square yards. Mulch is sold in 2-pound bags.
answered
Aug 18, 2024
Mathematics
high-school
1
answer
177k
views
Can some one pls help me
answered
Jul 30, 2024
Mathematics
high-school
1
answer
28.8k
views
After solidifying an overseas deal with a large bottling company, the executive informs you that in order to expedite the signing of the materials, he will need an extra $10,000. How should you react to
answered
Jul 21, 2024
Mathematics
high-school
1
answer
63.4k
views
Legal issues of importance to Medication Aides. The Medication Aide:
answered
Jun 1, 2024
Law
college
1
answer
119k
views
Why is job and task analysis an important part of human factors engineering?
asked
Apr 1, 2024
Social Studies
college
1
answer
54.5k
views
How does the movement of tectonic plates create vocanoes?
asked
Mar 14, 2024
Geography
college
1
answer
37.8k
views
What do the asset turnover ratios measure? 1) The liquidity of the firm's current assets. 2) Management's effectiveness in generating sales from investments in assets. 3) The distribution of assets in
asked
Mar 12, 2024
Business
high-school
1
answer
202k
views
Helppppppp it’s in the picture
answered
Mar 1, 2024
Mathematics
college
1
answer
32.5k
views
Consider a hash table of size seven, with starting index zero, and a hash function (3x + 4)mod7. Assuming the hash table is initially empty, which of the following is the contents of the table when the
asked
Feb 19, 2024
Computers and Technology
high-school
1
answer
15.1k
views
Reflect on your lifestyle. How do your habits affect your health?
answered
Feb 13, 2024
Health
high-school
2
answers
201k
views
A consequentialist's theory of morality that is oriented to a particular goal or end which is the greatest happiness for the greatest number of people is called ________.
asked
Feb 7, 2024
Social Studies
high-school
1
answer
74.4k
views
8 mo, severe diarrhea, becomes unresponsive, apnea, pulseless CPR is started, then 2 rescuer CPR intubated and ventilated at 100% O2; IO line is started and pi is given While continuing high-quality CPR,
answered
Feb 4, 2024
Biology
high-school
1
answer
192k
views
Contamination of wells by saltwater intrusion is commonly a problem in _______________ a) Coastal Areas b) Mountain Regions c) Arid Deserts d) Karst Landscapes
answered
Jan 29, 2024
Geography
high-school
1
answer
142k
views
What is the little armed statue depicted below?
asked
Jan 24, 2024
History
high-school
1
answer
212k
views
At what point will the lines x = 2y - 28 and x = -6y + 36 intersect?
answered
Jan 15, 2024
Mathematics
high-school
1
answer
183k
views
Alguien quiere ser mi amigx 20 x 20
answered
Nov 28, 2023
Spanish
college
2
answers
196k
views
A substance will have a relatively rigid, unchanging shape in which of these state. liquid. plasma. gas. solid.
asked
Nov 28, 2023
Biology
high-school
1
answer
87.2k
views
Let f(x) = Võ - 6 and g(x) = x2 + 5.(fog)(x) =.(gof)(x) =
answered
Nov 1, 2023
Mathematics
high-school
1
answer
81.5k
views
How do I simplify 3/2? (fraction)
asked
Sep 18, 2023
Mathematics
college
1
answer
54.7k
views
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