A solution of F is prepared by dissolving 0.0827 ± 0.0006 g NaF (molar mass = 41.989 + 0.001 g/mol) in 164.00 + 0.09 ml of water. Calculate the concentration of F in solution and its absolute uncertainty. Significant figures are graded for this problem. To avoid rounding errors, do not round your answers until the very end of your calculations. 0.01288 0.000087 M. F| = Incorrect Incorrect

A solution of F is prepared by dissolving 0.0827 ± 0.0006 g NaF (molar mass = 41.989 + 0.001 g/mol) in 164.00 + 0.09 ml of water. Calculate the concentration of F in solution and its absolute uncertainty. Significant figures are graded for this problem. To avoid rounding errors, do not round your answers until the very end of your calculations. 0.01288 0.000087 M. F| = Incorrect Incorrect

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

Similar questions

A sodium chloride solution was prepared by dissolving 0.0998 \pm 0.0005 g NaCI (58.443 \pm 0.001 g/mol) in 100.00 \pm 0.08 mL of water. Calculate the concentration of NaCl in the solution and its absolute uncertainty. Report the concentrationwith the appropriate number of significant figures.
To prepare a solution of NaCI, you weigh out 2.634 (to.002) g and dissolve it in a volumetric flask whose volume is 100.00 (±o.08) mL. Express the molarity of the solution, along with its uncertainty, with an appropriate number of digits.
A concentration solution of hydrochloric acid has a concentration of 1.202 (± 0.005) M. If 14.00 (± 0.07) mL of this solution is placed in a 250.00 (± 0.05) mL volumetric flask and water is added to the mark, what is the absolute uncertainty reported to the correct number of significant figures for the dilute concentration of HCl?
1. a. Calculate the mass of BaSO4 required to make 50.00 mL of a 0.1500 M solution. b. Calculate the absolute uncertainty in the molar mass of BaSO4. c. Calculate the absolute uncertainty in the concentration, assuming that the balance is calibrated and precise to ±0.1 mg and that the volumetric flask is calibrated and precise to 0.05 mL.
The combustion of ammonia in the presence of excess oxygen yields NO, and H20: 4 NH3 (g) +7 02 (g → 4 NO2 + 6 H20 (g) The combustion of 222 g of ammonia consumes g of oxygen. Atomic weights: N=14.01, H=1.01, 0=15.99. Input values only with 2 decimal places.
7. 22 This question is about several salts. (a) A hydrated salt, compound A, is analysed and has the following percentage composition by mass: Cr, 19.51%; CI, 39.96%; H, 4.51%; O, 36.02%. Calculate the formula of compound A, showing clearly the water of crystallisation. Show your working. formula of compound A = (b) A student carries out an experiment to determine the amount of water of crystallisation in the formula of another hydrated salt. The student intends to remove the water by heating the hydrated salt. A diagram of the apparatus used by the student is shown below. crucible pipeclay triangie The student adds the hydrated salt to the crucible and weighs the crucible and contents. The student heats the crucible and contents and allows them to cool. The student weighs the crucible and residue. The student's results are shown below. 16,84 Mass of crucible + hydrated salt/g 16.26 Mass of crucible + residue after heating/g
The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O: 4 NH3 (g) + 7 02 (g) → 4 NO2 (g) + 6 H2O (g) The combustion of 218 g of ammonia consumes g of oxygen. Atomic weights: N=14.01, H=1.01, O=15.99. Input values only with 2 decimal places.
A sample of freshly precipitated and filtered silver chloride weighs 459.0 mg. If 1.00% of the silver chloride becomes photodecomposed and converted to solid silver metal, what will the precipitate weigh? Write on the space provided for your answer only the number with the correct number of significant figures.
(Incorrect) An impure sample of hydrocarbon having a total mass of 41.0 g undergoes combustion analysis to generate 82.6 g CO₂(g) and 16.9 g H₂O(g). Assuming that the impurities do not contain carbon or hydrogen, what percentage of the initial sample is the pure hydrocarbon? Provide the numerical value of your response in decimal notation rounded to 3 significant figures. You answered: 4.58 The correct answer is: 59.5%
Find numerical value: Report your answer in proper Sig. Figs. i) (5.6 × 104)+(7.89 x 102). Show Your Working Here: 1.00×105 ii) 8.00 ? Show Your Working Here:
A solution is prepared by mixing 20.0 mL of 0.1 00M Fe(NO3)3 with 20.0 mL of 0.00300M KSCN and 10.0 mL of DI water. Calculate the initial concentration of SCN^- in this solution? Give answer with correct amount of significant figures.
11 of 11 I Review | Constants Periodic Table Suppose that you want to find the equation for a line that passes through the two points (0,3) and (4, 9). What is the slope of this line? Express your answer numerically. > View Available Hint(s) Πνα ΑΣΦ ? m = Submit rt C Complete previous part(s) 9:41 PM 36%