Students measured the concentration of H1H1 in a solution by titrating with different indicators to find the
Question:
Students measured the concentration of HС1HС1 in a solution by titrating with different indicators to find the end point.
Is the difference between indicators A and B significant at the 95%95% confidence level? Answer the same question for indicators B and C.
Transcribed Image Text:
Indicator A. Bromothymol blue B. Methyl red C. Bromocresol green Mean HCIHCl concentration (M) (standard deviation) on)(±standardâ€leviation) 0.095 65 0.002 250.095 65 +0.002 25 0.086 86+0.000 980.086 86 +0.000 98 0.086 41 0.001 130.086 41 +0.001 13 Number of measurements 2828 1818 2929
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 75% (12 reviews)
Answer In order to answer this question the students would need to ...View the full answer
Answered By
Justin Akengo
I am writing in application for the tutor position with your organisation. I am experienced in tutoring students of all abilities and I believe I am the ideal candidate for this position.
I work with students of all ages, from elementary school to college level. Whether the subject is science, Mathematics or basic study skills, I break material down into easy-to-understand concepts. In your job posting, you asked for someone who can tutor in a variety of subjects. I am comfortable explaining calculus to a college student or working with a kindergartener on spelling fundamentals.
Below are just a few core skills and qualifications I posses as a tutor;
Adept at creating study materials in a variety of academic subjects to help students improve their test scores and GPAs.
Strong interpersonal skills in working with students to help them achieve and succeed.
Have written study books adopted by a high school and a college to help students improve their skills in English and mathematics.
Have won several “Tutor of the Year” awards for work with high school and college students.
0.00
0 Reviews
10+ Question Solved
Related Book For
Quantitative Chemical Analysis
ISBN: 9781319164300
10th Edition
Authors: Daniel C. Harris, Charles A. Lucy
Question Posted:
Students also viewed these Sciences questions
-
Students measured the concentration of HCl in a solution by titrating with different indicators to find the end point. Is the difference between indicators 1 and 2 significant at the 95% confidence...
-
For the circuit shown in Fig. 19-46, find the potential difference between points a and b, each resistor has R = 75Ω and each battery is 1.5V. 15 V
-
In fungi, what is the difference between a tetrad and an octad? What cellular process occurs in an octad that does not occur in a tetrad?
-
1. Identify the function of the underlined noun/s in each item. 1. On rainy mornings, is your bus usually late? 2. On the desk were the red pencils. 3. Volcanoes and earthquakes are destructive...
-
Suppose the economy is suffering and many people are afraid they will be laid off from their jobs. Workers would like to protect against this risk with insurance. Identify and explain two problems...
-
A massless string with constant tension T has one end attached to a wall and the other end attached to a mass M. The initial length of the string is ? (see Figure). The mass is released. Halfway to...
-
If a slope is 1.63 when \(x=\) investment in thousands of euros, then what is the slope when \(x=\) investment in euros?
-
The balance sheet for the Delphine, Xavier, and Olivier partnership follows: Delphine, Xavier, and Olivier share profits and losses in the ratio of 4:4:2, respectively. The partners have agreed to...
-
How many standards are included in the ELP accreditation standards? What stands out to you about the different areas? What are the topic areas under administration and leadership? What are the...
-
Sitting on Maggie Brumfields desk is the latest planned order report from the companys MRP system. Maggies job is to determine if there is enough capacity to handle the workload and to level the load...
-
Big Data. Modern analyses can generate thousands of data points. This problem introduces techniques for handling larger data sets. A spreadsheet with the data can be found on SaplingPlus or at...
-
Zinc is an essential micronutrient in pet food, but is toxic if present in excess. Do the znZn concentrations (mg/g)(mg/g) for the five cat foods and two dog foods determined by two methods differ...
-
In 2015, Intel Corporation had a market capitalization of $134 billion, debt of $13.2 billion, cash of $13.8 billion, and EBIT of nearly $16 billion. If Intel were to increase its debt by $1 billion...
-
1. What are 3 trends or issues that are challenging in the sports industry and for sports administrators and what are some solutions? 2. What are essential skills and abilities that need more...
-
Tinsel Inc. and Venice Inc. are two small clothing companies that are considering leasing a dyeing machine together. The companies estimated that in order to meet production, Tinsel needs the machine...
-
In response to a client request, draft an email that explains why you are unable to fulfill her request. Keeping her as a client is your primary goal, so remember that. The "Company Policy Excuse" is...
-
18. For the declaration int a = 5; int *ptr &a; what are the values of the following? a. ptr b. *ptr = c. ptr == a d. ptr == : &a e. &ptr f. *a g. *&a h. **&ptr
-
You paid off your general purpose credit card two months ago and have not used it since. Your balance remains at zero. Your card has a minimum finance charge fee of $5 per month and an APR of 8%....
-
American Airlines, through the use of its SABRE reservation system, realized the potential of yield management. Through such a system, it monitored the status of its upcoming flights and competitors'...
-
An item of depreciable machinery was acquired on 1 July 2009 for $120,000 by cash It is expected to have a useful life of 10 years and zero salvage value On 1 July 2012, it was decided to revalue the...
-
An aqueous solution of antifreeze contains 6.067 M ethylene glycol (HOCH2CH2OH, FM 62.07) and has a density of 1.046 g/mL. (a) Find the mass of 1.000 L of this solution and the number of grams of...
-
Protein and carbohydrates provide 4.0 Cal/g, whereas fat gives 9.0 Cal/g. (Remember that 1 Calorie, with a capital C, is really 1 kcal.) The weight percent of these components in some foods are...
-
It is recommended that drinking water contain 1.6 ppm fluoride (F-) for prevention of tooth decay. Consider a reservoir with a diameter of 4.50 102 m and a depth of 10.0 m. (The volume is r2h, where...
-
Compute ending work in process inventory for a manufacturer using the following information. Raw materials purchased Direct materials used Direct labor used Factory overhead Work in process...
-
A spring with spring constant 80 N/m is placed at the bottom of a 6 m high ramp with opening angle 60 . A 3 kg mass is then placed on the spring and pushed down so the spring is compressed by a...
-
A 2kg mass is moving at 10m/s along a frictionless surface towards a spring (at rest) with spring constant 50N/m. When the mass hits the spring, it will begin to compress it. What is the maximum...
Study smarter with the SolutionInn App