The mass of a compound is taken 5 times with the following results: 26.6mg, 26.3mg, 26.2mg, 26.4mg, and 26.1mg. If the true mass is 25.6mg, what is the percent relative error for this set of data? Round to the nearest hundredth of a percent.

Q: What is the smallest mass that we can measure on an analytical balance that has a tolerance of ±0.1…

A: Tolerance of analytical balance = Relative error = 0.1 %An analytical balance is a device that is…

Q: Calculate the number of hydrogen atoms in a 50.0 g sample of camphor (C10H160). Be sure your answer…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: A trainee in a medical lab will be released to work on her own when her results agree with the…

A: Below are the data obtained by the trainee: Mean concentration = 14.57 mg/dL standard deviation, s =…

Q: The mass of 4.375 x 1016 molecules of compound with the molecular formula C3H9N is ______ g. Report…

A:

Q: 15. In preparing a certain ointment, a pharmacist used 28.35 grams of zinc oxide instead of the 31.1…

A: Given, mass of zinc oxide (used) = 28.35 g mass of zinc oxide (required) = 31.1 g

Q: Answers will vary depending on your particular sample. Keeping in mind that the SI unit for mass is…

A: To give: An approximate mass of a grain of sand.

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: After creating her standard curve for absorption versus the concentration (M) of FD&C Red 40 and…

A: The objective of this question is to find the percent by mass of FD&C Red 40 in the Kool-Aid…

Q: Calculate the number of carbon atoms in a 80.0 g sample of glucose (C,H1,06). Be sure your answer…

A: Molecular formula =C 6H12 O6 Molar mass =6×12+12×1+16×6= 180gmol-1

Q: compound contains only Mn and F. The ratio of Mn and F is 1.73 moles of F per 1 mole of Mn.  If the…

A: Given Empirical formula of Compound is MnFx Molar ratio of Mn and F is 1.73 We have to determine…

Q: A student performs an experiment to determine the molar mass of magnesium oxide. The student repeats…

A: The percent relative error can be calculated by dividing the absolute error by the actual value of…

Q: The following prompt will be used to answer the fırst six questions. An experiment was performed to…

A: Significant number: The non-zero digits are all significant. Among non-zero digits, there are large…

Q: If the manufacturer of the vinegar used in the experiment stated that the vinegar contained 5.0%…

A: Given : % CH3COOH in vinegar determined experimentally = 4.8 % And % CH3COOH in vinegar…

Q: What is the average ratio in this chart?

A: Epsom salt is a hydrated salt of magnesium sulfate. It is used for relieving muscle pain and is used…

Q: Calculate the number of oxygen atoms in a 130.0 g sample of glucose (C,H120). Be sure your answer…

A:

Q: If you have 52% silicon dioxide in a 12.09 g sample, what mass of silicon dioxide do you have?   Am…

A: Given, Mass % = 52%  Mass of sample = 12.09 g  Mass of SiO2 = ?

Q: Find numerical value: Report your answer in proper Sig. Figs. i) (5.6 x 104)+(7.89 x 102). Show Your…

A: Rule of significant digit-1) In non decimal number, 0 comes after non-zero not count in significant…

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A: Significant figures of a number in positional notation are digits in the number that are reliable…

Q: The fundamental difference between gravimetric and volumetric analysis: a gravimetric analysis…

A: Yes you are absolutely right

Q: Peak A has a height of 62 mm and a width at half height of 12 while peak B has a height of 84 and a…

A: Area of a peak is h×w square unit.

Q: How many.grams F in 584.8 g Br2F6? Put the answer in the box in regular (non-scientific) notation.…

A: Number of moles is defined as given mass divided by molecular mass.

Q: The following prompt will be used to answer the fırst six questions. An experiment was performed to…

A: Given: Mass of mixture is 20.100 g. Mass of initial filter paper 21.206 g. Mass of filter paper and…

Q: The following prompt will be used to answer the first six questions. An experiment was performed to…

A: Given :

Q: A scientist conducted an experiment of magnesium nitride, Mg3N2 reacts with excess water to produce…

A: Number of moles = given mass/ moler mass

Q: How many C atoms are present in the sample of C3H8 with mass 7.11 g? Avogadro's number is 6.022 x…

A: Given : Mass of C3H8 = 7.11 g

Q: A researcher has developed a new analytical method to determine the percent by mass on in solids. To…

A:

Q: Calculate the number of oxygen atoms in a 90.0 sample of iron(III) oxide (Fe₂O3). Be sure your…

A:

Q: Identify two (2) possible errors during weighing a sample.

A: Weighing balance is the key instrument used in any chemistry laboratory. Slightly handling issue of…

Q: A compound with the empirical formula CH ¹2 was found to have a mo- lar mass of approximately 84 g.…

A:

Q: A student solving the problem based on the scenario below made an error and the answer is incorrect…

A: Percentage Mass =  mass of solute

Q: The compound PClx contains 85.14% chlorine by mass. What is the value of x? Enter your response as a…

A:

Q: How many grams F in 511.9 g Br2F6?    Put the answer in the box in regular (non-scientific)…

A: Given: Mass of Br2F6 is 511.9 g and we know that the molar mass of Br2F6 is 273.7984 g/mol

Q: examples

A: 1 gram=1000 mg 1 mg=1000000 ng 1g = 1000000000 ng

Q: How many grams Fin 584.8 g Br2F6? Put the answer in the box in regular (non-scientific) notation.…

A:

Q: 4. Consider the tabulated data collected by a student for an unknown metal sample. Use this data to…

A: Significant figures are those important digits which measures the accuracy of calculation.

Q: hy is it inappropriate to report yields with decimal-place accuracy (as opposed to whole numbers)?

A: Percent Yield of a reaction is always rounded of as a whole number and not with decimal place their…

Q: Given the data and information in the prompt, what is the calculated absolute error on the percent…

A: Absolute Error is the amount of error in your measurements. It is the difference between the…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.