5.and Precision of Laboratory Glassware***Make sure to use the correct number of significant figures and units in allyourmeasurements/calculations.A. 10 mL Graduated cylinderCalculated density ofwater (g/mL)TrialVolume of water (mL)Mass of water (g)9.49mL9.38ML9.62 mL1.88.423g9.39/mL88.30899.419m88.558919.219/mL9 9.13.9/mL2.39.71ML38-65994.Average density 4·2625glmLCalculate the percent error in the calculated density. Show your work.L emr= [Measured valeu- actual valeu )actual valeu%3DCalculate the standard deviation in the calculated density. Show your work.

Trial Volume of water (ml) Mass of water (g) Density of water (D) (g/ml)=Mass/volume D-X (D-X)2 1…

Calculate the percent error in the calculated density. Show your work. % emr = [Measured valeu- actual valeu )XA actual valeu X100 Calculate the standard deviation in the calculated density. Show your work.

Calculate the percent error in the calculated density. Show your work. % emr = [Measured valeu- actual valeu )XA actual valeu X100 Calculate the standard deviation in the calculated density. Show your work.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Calculate the absolute uncertainty of the following expression:

A: To calculate the absolute uncertainty associated with the given equation: 4.193(±0.003)g ×1…

Q: Identify whether the following are examples of systematic or random error or are mistakes: a. Using…

A: The random error causes one measurement to differ slightly from the next. It comes from…

Q: Consider the following sets of replicate measurements: Calculate the mean and the standard deviation…

A: Mean and standard deviation are basic concepts used data analysis and statistics. Mean which is also…

Q: Calculation of volume and density for irregular-shaped solid Mass of solid (g) Final volume (mL)…

A: Step 1: Calculate the volume of the irregular solid by subtracting the final volume from the initial…

Q: For the following data, calculate mean, deviation, standard deviation, median, variance and range (…

A: For a set of data the mean, deviation, standard deviation, median, variance and range can be…

Q: With correct sig figs

A: With correct significant figures(up to five sig figs) the solution of above question…

Q: A sample is selected from a population with µ = 46, and a treatment is administered to the sample.…

A: Solution:-The sample mean before treatment, μ1 = 46 The sample mean after treatment, μ2 = 48The…

Q: The results + standard deviation (number of samples) are given in the following table:

A: The two methods are: • chromatography •spectrophotometry

Q: If the readings are 2 3 4 the average deviation is----- O 5.33 O 3.34 O 2.44 0.66

A: Calculate average deviation of the data, 2,3,4

Q: Repeat this process by adding 25 mL measured with a beaker, and 25 mL measured with a graduated…

A: Given data:To determine:Standard deviation of given data

Q: 4. Apply the real rule of significant figures to express the final result for each of the values…

A: The result of addition or subtraction in the numbers having different precision should be reported…

Q: Determine the percentage error and the concentration of the prepared NaOH given the following data.…

A: Given data - NNaOHtrue = 0.045N Weight of KHP = 0.2503g For trial -1Vf NaOH= 25mlVi NaOH = 0mlFor…

Q: How do you find the standard deviation and average deviation using the data table above?

A: Given, Molarity of NaOH=0.0767 M, 0.0860 M, 0.0775 M Average,x¯= 0.080 M n=3 To calculate, Average…

Q: onfused in this part why is the answer 0.0005666? Therefore, average error/ deviation = d1 + d2 +…

A: We need average absolute error or deviation to calculate the ppt, as the formula for error in ppt…

Q: The uncertainty of a pipet is ± 0.05 mL. The true value of a reading of 17.23 mL is in the range:…

A: The solution is given below -

Q: Part A: Basic Laboratory Operations Density of a Solid TRIAL 1 TRIAL 2 Mass of solid (g) 19.761 g…

A: Analytical techniques give importance to accuracy and precision. Errors can be personal or…

Q: If you were pipetting 17.0 mL, what is the percent error in the pipet? I know that Volumetric…

A: To figure out percent error in the pipet we need to figure out maximum error in the pipet then we…

Q: Evaluate the following expressions. Impose the rules for significant figures different ways for the…

A: Significant figures of value determine the precision and accuracy of a calculation. When expressing…

Q: Part Two: Accurate or Precise- Common Glassware (g) 25mL Vol. Pipette 74.8307 70.7858 73.3069…

A: calculation of percentage error.

Q: wo students measured the density of water three times each. Their results are shown below. Trial…

Q: 3-3 Types of Error; 3-4 Propagation of Uncertainty from Random Error (30 min) If A = 3.475 (+0.002),…

Q: For the above analysis with volume measurements 20.30, 19.65, 21.05 mL, calculate the standard…

A: The standard deviation is a measure of the variation in a given set of data. A lower value of the…

Q: Q2 B: What is the relative standard deviation, for the following data: 3.80, 3.941, 3.107, 3.656…

Q: Please find the experimental average density water and the standard deviation:)

A: Density :- It is the ratio of mass of a substance to volume occupied by the substance Density =…

Q: I The difference in standard deviations for the two instrumerntal methods is significant. II The…

A: F-test formula helps to perform statistical test. This test helps in finding that whether the two…

Q: For the reaction shown, calculate how many moles of NO2 form when each amount of reactant completely…

Q: Pls help me with the density of water, average density of water, standard deviation, and percent…

Q: Caffeine in a sample of chocolate was measured five times, and the results were 1265 ppm caffeine…

A: In the given question we have to if the results are statistically different from the label value at…

Q: Mission 2: Experiment- Tools and Techniques in Analytical Measurements Datasheet for 37 A-1: Using…

A: Mean = ? Median = ? Standard deviation = ? Relative standard deviation = ?…

Q: #2 12.99 12.99 12.99 31.30 3770 3853 24.31 24.71 25.54 24.85 15] Mass of empty Beaker 16] Mass of…

A: Density is defined as mass of substance contained in per unit volume of that substance. Its unit is…

Q: A technician determines the concentration of calcium in milk using two instrumental methods. If…

A: The F test, named after statistician Ronald Fisher, is a hypothesis test used to compare the…

Q: Is the precision of your two trials within 5 %?. Support your answer with calculations

A: In order to analyze the precision of an experiment, we calculate the Percent relative standard…

Q: Suppose that a Gaussian population of measurements has a mean of 1000 and a standard deviation of…

Q: (sum/n-1) Standard deviation (Square root of variance) Example of standard deviation calculation for…

Q: Use a spreadsheet to calculate the mean and standard deviation of the data set. 54.99, 54.40, 54.60,…

A: Given - expected values are 54.99, 54.40, 54.60, 54.63, 54.36

Q: 9) The following results were obtained in the determination of Vitamin E mass in tablet samples.…

Q: Suppose a certain species of fawns between 1 and 5 months old have a body weight that is…

A: mean μ =28.6 kgstandard deviation σ= 3.7 kgz > 2.7z = (x-μ)/σ2.7< (x-28.6)/3.72.7×3.7 < x -…

Q: The tolerance of a Class A 10 mL. transfer pipet is 10.02 mL. A student uses an uncalibrated Class A…

A: #1: The given uncalibrated pipette is (10±0.02) mL. Volume to be delivered = 50 mL Since 50 mL is…

Q: The following volumes were obtained for the calibration of a 10 - mL pipet: 10.028415, 10.140035,…

Question

5.
and Precision of Laboratory Glassware
***Make sure to use the correct number of significant figures and units in all
your
measurements/calculations.
A. 10 mL Graduated cylinder
Calculated density of
water (g/mL)
Trial
Volume of water (mL)
Mass of water (g)
9.49mL
9.38ML
9.62 mL
1.
88.423g
9.39/mL
88.30899.419m
88.558919.219/mL
9 9.13.9/mL
2.
3
9.71ML
38-6599
4.
Average density 4·2625glmL
Calculate the percent error in the calculated density. Show your work.
L emr= [Measured valeu- actual valeu )
actual valeu
%3D
Calculate the standard deviation in the calculated density. Show your work.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Chemistry Calculate the mean, standard deviation, coefficient of variation given the following data Initial volume ( 0.00 + 0.05ml) Final volume ( 30.95 + 0.05ml) Discharged volume ( 30.95 + 0.05ml)
Please find the percent error, not for each trial but for all of them together
A calibrated pipet delivers a mean volume of 24.991 mL with a standard uncertainty of ± 0.006 mL. What is the uncertainty if you deliver four aliquots to reach 100 mL?
Chemistry find absolute and relative standard deviation of this data.
If you chose 6 reading for Water-Cut Analyzers (BS&W) macheen, Answer the qustions: Day1 Day2 Day3 Day 4 Day 5 Day 6 0.05 0.06 0.07 0.05 0.04 0.05 - Evaluate the accuracy and precision of the selected data. - Estimate the sources of errors in selected data (systematic & random error). - Explain the effect of these errors in the process.
Calculate the mean and 90% confidence interval for the data set. Report your answer with the correct number of significant figures. mean: I+ ± Sample 1 2 3 4 5 6 Value 8.0720 8.0580 8.0710 8.0750 8.0600 8.0550
In a particular trial, a student got a value for R of 0.083. Calculate the percent deviation of this result. Enter a number without the % sign. The percent deviation should be reported as a positive value.
A calibrated pipet delivers a mean volume of 24.991 mL with a standard uncertainty of ± 0.006 mL. What is the uncertainty if you deliver four aliquots to reach 100 mL?
You pipette and weigh a 100 ml sample of water & get the following results for 3 trials: 0.1041g, 0.0979g, 0.0998g. calculate average, % error, mean (or average) deviation, standard deviation, and % deviation