During a titration experiment, 50.00 mL of a certain solution needs to be transferred to an Erlenmeyer flask. To measure the volume, a student used a calibrated 10-mL pipette five times. If the pipette delivers an actual volume of 9.98 mL with an uncertainty of ±0.02 mL, what will be the uncertainty in the final volume?

Q: How is accuracy and precision related to errors incurred in the chemical analysis? Why systematic…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: Use the formulas below and the data in the table to fill in the empty spaces in the table. (Apply…

A: The equations we will be using in filling the tables are  1) Area = Length X Width

Q: A measurement of the mass of a specimen was determined to be 4.203 +- 0.001 g. What is fractional…

A:

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A: For the class of hydrocarbons, we are given the general formula also, we are given that n=5

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A:

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A: We need to calculate %C by mass for n=12 in the formula CnH2n+1COOH  Atomic weights C = 12.01 g H =…

Q: Answers must have the correct number of significant figures for full credit. 1. A student in…

A:

Q: 20 Express the answer to this multi-step calcu- lation using the appropriate number of sig- nificant…

A:

Q: Which of the following represents the precision of a set of measurements?   A student used water…

A: Given: mean = 2.763 g/mL standard deviation = 0.026 g/mL

Q: why is statistics itself is important in the field of chemistry especially in analytical chemistry?…

A: Answer:

Q: 38) During the early 1970s, the price of copper rose to a point where the cent contained almost one…

A:

Q: A pipet is a type of glassware that is used to deliver a specified volume of liquid. A 5 mL pipet…

A:

Q: You are working in a hospital and you saw that a patient took 500 mg of ibuprofen but the chart…

A: Mean, Standard deviation and %RSD (percentage relative standard deviation) are the ways to check the…

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A:

Q: (a) For use in an iodine titration, you prepare a solution from 0.222 2 (+0.000 2) g of KIO3 [FM…

A: The relative uncertainity in the weight and formula mass of KIO3 can be calculated as follows:

Q: Express the molecular mass and its standard uncertainty of C17H21NO4 with the correct number of…

A: Answer:- Molecular mass = 17 × mass of carbon atom + 21 × mass of hydrogen + 1 × mass of nitrogen +…

Q: A length of 155 nm can also be expressed as 1.55 x 104 pm 155000 pm O 0.155 pm 1.55 x 10-6 pm

A: 1 nm = 10-9 m 1 um = 10-6 m

Q: What is the uncertainty in a measurement of 0.39 mm?

A:

Q: 3) Express 25 ± 2 mL in terms of relative uncertainty.

A: Relative uncertainty is the ratio of the absolute uncertainty to the measured value. Relative…

Q: Which of the following statements about the sensitivity of an analytical method is true? O The…

A: Two questions based on tools in analytical chemistry that is to be accomplished.

Q: I am told that when determining the number of significant figures, if the decimal place is absent,…

A: Rules for Determination of Significant Figures:[i] All non-zero digits are significant.For example:…

Q: You have measured the mass of samples A,B,C,D, and E on the analytical balances in our chemistry…

A: ∵ Standard deviation S=ΣXi-X2n-1Where ,         X=sample average         Xi=Individual values in…

Q: 2. If the standard range of Magnesium in the body is 0.70 to 0.95 mmol/L, convert this value into…

A: A certain amount of univalent ions provides the same number of equivalents.  While the same amount…

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A:

Q: I need help with convertion problems in chemistry, Suppose you need 8.5m of Grade 70 tow chain,…

A: Given length of chain = 8.5 m  conversion factor - mass per length = 2.16 kg/m  we can say that 1 m…

Q: Which of the following statements about the sensitivity of an analytical method is true? O The…

A: The correct statement about the sensitivity of an analytical method is given below

Q: A molecular biologist measures the mass of cofactor A in an average yeast cell. The mass is 64.22…

A: Metric conversion factors are used to convert the units of numbers.  Some of the factors that can be…

Q: In another experiment, you determine that a sample of acetic acid consists of 56.8% oxygen. What is…

A: In another experiment, you determine that a sample of acetic acid consists of 56.8% oxygen. What is…

Q: Systematic error causes the mean of a data set to differ from the accepted value. True…

A: The objective of measurement can be qualitative or quantitative. Every measurement has an inherent…

Q: 1.state the process determining the volume of irregular object 2.In determining the density of an…

A: 1. To determine the volume of irregular object (stone) following procedure can be followed: Take a…

Q: The standard solution is prepared by dissolving a known mass of zinc pellets with conc. HCl. The…

A: Given information, Volume (V) = 250 mL = 0.25 L Mass of Zn (m) = 0.9809 g Molecular weight of the…

Q: [8.47 (+0.06)]3 = absolute uncertainty: percent relative uncertainty: + log [6.56 (+0.05)] =…

A: In this question we have to calculate the absolute uncertainty and percent relative uncertainty.…

Q: A student is examining a bacterium under the microscope. The E. coli bacterial cell has a mass of m=…

A: Data given:  The mass of bacterial cell, m = 1.10 fg = 1.10×10–15 g (1 fg = 10–15 g)  m = 1.10×10–18…

Q: A method of analysis yields masses of gold that are low by 0.5 mg. This method is used for analysis…

A:

Q: A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative…

A: Percent relative error is calculated as follows; Er=xf-xixi×100% Here xi is the actual mass of the…

Q: over a course of multiple trials a student measures the density of methanol to be 0.707 g/mL, 0.799…

A: Average density is the mean of all the densities i.e. ( sum of all three densities / 3 )  .…

Q: You’re attempting to calculate the density of a titanium alloy. The titanium alloy is in the shape…

A:

Q: Atomic absorption analysis for copper concentration of aircraft engine oil gave a value of 8.53 mg…

A: GIVEN Copper concentration of aircraft = 8.53 mg Cu/mL standard deviation (s) = 0.22 mg Confidence…

Q: CP- YY - Convert 18.8 TM³ to ZW 3 1 TM = 7.108 DD, using the following equalities: 1 CP = 2.104 BX,…

A: The given value is: 18.8 CP2TM3, and we have to convert the above value to the unit, YY2ZW3.

Q: A student calibrated a eudiometer by first recording the mass of the empty eudiometer followed by…

A: The density of water at 220C is 0.9978 g/mL

Q: Consider the following operations on the number 8.97 × 10–2 Without using a calculator, decide which…

A: Significant numbers are the number of digits in a value, that gives the degree of accuracy of that…

Q: Suppose you prepared a plot for this experiment and the equation of the trendline was y =…

A:

Q: level of uncertainty

A: LEVEL OF UNCERTAINITY

Q: If the denisty of Platnuim is 19.32 g/cm3 what could the dimnesions of a cube be that weighted 1.00…

A:

Q: The maximum level that the EPA considers safe for lead air pollution is 1.5 micrograms per cubic…

A: Given : Volume of lungs = 5.30 L And maximum safe level concentration of lead = 1.5 µg/m3

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A: From calculation, we get the answer is 40%