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What is the ph of a buffer system prepared by dissolving 10.70 grams of nh₄cl and 25.00 ml of 12 mol l⁻¹ nh₃ in enough water to make 1.000 l of solution? kb = 1.80 × 10-5 for nh₃. 1)9.43 2)9.08 3)9.26
answered
Oct 17, 2024
Chemistry
high-school
1
vote
203k
views
What is the distance between point A(-1, 3) and point B(-8, 3)? A: 2 units B: 5 units C: 7 units D: 9 units
answered
Apr 13, 2024
Mathematics
college
5
votes
11.2k
views
What is the relationship between perpetrator of violence--victim of violence
answered
Oct 12, 2023
Health
high-school
4
votes
38.9k
views
Utimately, to be successful, a business must
answered
Oct 2, 2023
Business
college
4
votes
199k
views
Factorise fully 12m + 8m²
answered
Jun 18, 2023
Mathematics
high-school
4
votes
156k
views
A chemical company mixes pure water with their premium antifreeze solution to create an inexpensive antifreeze mixture. The premium antifreeze solutioncontains 80% pure antifreeze. The company wants to
answered
Apr 23, 2023
Mathematics
college
4
votes
17.9k
views
Which correlation coefficient would indicate a strong negative correlation? a. r = -0.93 b. r = -0.23 c. r = 0.75 d. r = 1.0
answered
Nov 15, 2022
Mathematics
high-school
1
vote
54.8k
views
Churchill draws attention to the contrasting sides of Henry VIII through detail. How is the impact of this sentence strengthened by the order of the details' presentation
answered
Nov 11, 2022
English
college
10
votes
197k
views
At the carnival, the ratio of people who won the ring toss game to lost it was 9 : 4. If 81 people won, how many people would have lost?
answered
Oct 19, 2022
Mathematics
middle-school
5
votes
133k
views
Twenty students scored the following marks in a history test: 5, 2, 5, 3, 1, 6, 2, 2, 3, 4, 2, 1, 2, 2, 4, 3, 2, 2, 2, 3. What is the mode of distribution. What is the median and mean
answered
Aug 10, 2022
Mathematics
high-school
6
votes
44.8k
views
A race was 993 meters. If 28 people ran in the marathon how many meters would they have run total?
answered
Jul 29, 2022
Mathematics
high-school
2
votes
41.7k
views
I need help with this plz
answered
May 18, 2022
Mathematics
high-school
9
votes
144k
views
Rewrite the following equation in slope-intercept form. 16x + 10y = 15 plz help
answered
Apr 28, 2022
Mathematics
high-school
13
votes
58.0k
views
HELP ITS A GRADE AND TIMED PLSSSSS?!?!?!?
answered
Jan 20, 2022
Mathematics
high-school
13
votes
56.5k
views
What is the slope of the line through (-5,-2) and (-1,-10)?
answered
Dec 26, 2021
Mathematics
middle-school
5
votes
118k
views
Bramble Inc., which produces a single product, has prepared the following standard cost sheet for one unit of the product. Direct materials (6 pounds at $3.10 per pound) $18.60 Direct labor (4 hours at
answered
Nov 10, 2021
Business
college
3
votes
114k
views
I need a quick run down of point slope form
answered
Oct 15, 2021
Mathematics
high-school
1
vote
23.1k
views
I really need help guys
answered
Sep 14, 2021
Mathematics
high-school
3
votes
96.4k
views
On October 29, 2016, Lobo Co. began operations by purchasing razors for resale. Lobo uses the perpetual inventory method. The razors have a 90-day warranty that requires the company to replace any nonworking
answered
Sep 11, 2021
Business
high-school
3
votes
61.6k
views
Which of these is not an example of a persuasive text? A. Informational Text B. Speech C. Argument D. Blog F. Letter E. Editorials
answered
Sep 8, 2021
English
high-school
4
votes
69.1k
views
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