Concept explainers
Interpretation:
The mass of oxygen and the percent by mass of each element in the sample of 36.41 g of calcium carbonate CaCO3 with 14.58 g of calcium and 4.36 g of carbon is to be calculated.
Concept introduction:
The mass percent of any element in a compound can be calculated by taking percent ratio of mass of that element to the compound.

Answer to Problem 11STP
The mass of oxygen contained in the sample is 17.47 g and the percent by mass of calcium is 40%, carbon is 40% and oxygen is 48%.
Explanation of Solution
Mass of oxygen (MO)= Mass of CaCO3−Mass of calcium (MCa)−Mass of Carbon (MC)
Mass of oxygen (MO)= 36.41 g−14.58 g−4.36 g
Mass of oxygen (MO)= 17.47 g
Now,
Mass percent of Calcium
ωCa=mCa÷mCaCO3⋅100%
ωCa=14.58 g÷36.41 g⋅100%
ωCa=40%
Mass percent of Carbon
ωC=mC÷mCaCO3⋅100%
ωC=4.36 g÷36.41 g⋅100%
ωC=12%
Mass percent of Oxygen
ωC=100%−(ωCa)−(ωC)
ωO=100%−40%−12%
ωO=48%
Thus, the mass of oxygen contained in the sample is 17.47 g and the percent by mass of calcium, carbon and oxygen is, 40%, 12% and 48% respectively.
Chapter 4 Solutions
Chemistry: Matter and Change
Additional Science Textbook Solutions
Biology: Life on Earth (11th Edition)
Campbell Biology (11th Edition)
Chemistry: An Introduction to General, Organic, and Biological Chemistry (13th Edition)
Anatomy & Physiology (6th Edition)
Introductory Chemistry (6th Edition)
Human Anatomy & Physiology (2nd Edition)
- Predict the product formed when the compound shown below undergoes a reaction with MCPBA in CH2Cl2. MCPBA is meta-chloroperoxybenzoic acid.arrow_forwardk https://app.aktiv.com STARTING AMOUNT 6 58°F Clear + F1 X Dimensional Analysis - Aktiv Chemistry Your Aktiv Learning trial expires on 02/25/25 at 02:14 PM Question 19 of 22 Polyethylene terephthalate (PET) is used in plastic water bottles. A water bottle has a mass of 14.0 grams. Given a density of 1.38 g/cm³, what is the volume of the plastic used to make the water bottle in cm³ ? ADD FACTOR ANSWER RESET ว 100 14.0 0.01 10.1 1000 0.099 1.38 0.001 Q Search F5 -O+ F6 F7 + F3 F2 W E S4 ST #3 F4 % 5 Y R S & 7 cm³ g/cm³ g ם F8 * 00 8 F9 P ل DOD S F10 F11 F12 Insert D F G H J K + 11arrow_forwardA doctor gives a patient 10 Ci of beta radiation. How many betaparticles would the patient receive in 1 minute? (1 Ci = 3.7 x 1010d/s)arrow_forward
- Part C IN H N. Br₂ (2 equiv.) AlBr3 Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and + e (×) H± 12D T EXP. L CONT. דarrow_forward9. OA. Rank the expected boiling points of the compounds shown below from highest to lowest. Place your answer appropriately in the box. Only the answer in the box will be graded. (3) points) OH OH بر بد بدید 2 3arrow_forwardThere is an instrument in Johnson 334 that measures total-reflectance x-ray fluorescence (TXRF) to do elemental analysis (i.e., determine what elements are present in a sample). A researcher is preparing a to measure calcium content in a series of well water samples by TXRF with an internal standard of vanadium (atomic symbol: V). She has prepared a series of standard solutions to ensure a linear instrument response over the expected Ca concentration range of 40-80 ppm. The concentrations of Ca and V (ppm) and the instrument response (peak area, arbitrary units) are shown below. Also included is a sample spectrum. Equation 1 describes the response factor, K, relating the analyte signal (SA) and the standard signal (SIS) to their respective concentrations (CA and CIS). Ca, ppm V, ppm SCa, arb. units SV, arb. units 20.0 10.0 14375.11 14261.02 40.0 10.0 36182.15 17997.10 60.0 10.0 39275.74 12988.01 80.0 10.0 57530.75 14268.54 100.0…arrow_forward
- A mixture of 0.568 M H₂O, 0.438 M Cl₂O, and 0.710 M HClO are enclosed in a vessel at 25 °C. H₂O(g) + C₁₂O(g) = 2 HOCl(g) K = 0.0900 at 25°C с Calculate the equilibrium concentrations of each gas at 25 °C. [H₂O]= [C₁₂O]= [HOCI]= M Σ Marrow_forwardWhat units (if any) does the response factor (K) have? Does the response factor (K) depend upon how the concentration is expressed (e.g. molarity, ppm, ppb, etc.)?arrow_forwardProvide the structure, circle or draw, of the monomeric unit found in the biological polymeric materials given below. HO OH amylose OH OH 행 3 HO cellulose OH OH OH Ho HOarrow_forward
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY





