Part ACalculate the percentage by mass of the indicatedelement in the following compounds.You may want to reference (Pages 91 - 92) Section3.3 while completing this problem.Hydrogen in ammonium sulfate, (NH4)2 SO4,a substance used as a nitrogen fertilizerExpress your answer using two significantfigures.

Answered: Image /qna-images/answer/9da739b6-29b1-4391-9637-dfc520f6b5c6.jpg

Part A Calculate the percentage by mass of the indicated element in the following compounds. Hydrogen in ammonium sulfate, (NH4)2SO4, You may want to reference (Pages 91 - 92) Section 3.3 while completing this problem. a substance used as a nitrogen fertilizer Express your answer using two significant figures.

Part A Calculate the percentage by mass of the indicated element in the following compounds. Hydrogen in ammonium sulfate, (NH4)2SO4, You may want to reference (Pages 91 - 92) Section 3.3 while completing this problem. a substance used as a nitrogen fertilizer Express your answer using two significant figures.

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

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

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

Chapter6: Chemical Composition

Section: Chapter Questions

Problem 29A

See similar textbooks

Similar questions

Calculate the percent by mass of the element listed first in the formulas for each of the following compounds. methane, CH4 sodium nitrate, NaNO3 carbon monoxide, CO nitrogen dioxide, NO2 1-octanol, C8H18O calcium phosphate, Ca3( PO4)2 3-phenyiphenol, C12H10O aluminum acetate, Al(C2H3O2)3
In what units are atomic, molecular, and formula mass expressed? Define those units.
Atoms of three different elements are represented by O, , and . Which compound is left over when three molecules of O. and three molecules of . react to form O. And O?
Determine a chemical formula from elemental analysis (i.e., from % composition).
With the advent of techniques such as scanning tunneling microscopy, it is now possible to write with individual atoms by manipulating and arranging atoms on an atomic surface. a. If an image is prepared by manipulating iron atoms and their total mass is 1.05 1020 g, what number of iron atoms were used? b. If the image is prepared on a platinum surface that is exactly 20 platinum atoms high and 14 platinum atoms wide, what is the mass (grams) of the atomic surface? c. If the atomic surface were changed to ruthenium atoms and the same surface mass as determined in part b is used, what number of ruthenium atoms is needed to construct the surface?
Suppose Avogadro’s number was 1000 instead of 6.0221023 . How, if at all, would this affect the relative masses on the periodic table? How, if at all, would this affect the absolute masses of the elements?
Chromium(lll) nitrate forms a hydrate that is 40.50% water by mass. What is its chemical formula?
itamin B12 , cyancobalamin, is essential for human nutrition. Its molecular formula is C63H88CoN14O14P . A lack of this vita min in the diet can lead to anemia. Cyanocohalamin is the form of the vitamin found in vitamin supplements. l type='a'> What is the molar mass of cyanocobalamin to two decimal places? How many moles of cyanocohalamin molecules are present in 250 mg of cyanocobalamin? What is the mass of 0.60 mole of cyanocobalamin? How many atoms of hydrogen are in 1 .0 mole of cyanocobalamin? What is the mass of 1.0107 molecules of cyanocobalamin? What is the mass (in grams) of one molecule of cyanocobalamin?
Consider a hypothetical compound composed of elements X, Y, and Z with the empirical formula X2YZ3 . Given that the atomic masses of X, Y, and Z are 41.2, 57.7, and 63.9, respectively, calculate the percentage composition by mass of the compound. If the molecular formula of the compound is found by molar mass determination to be actually X4Y2Z6 , what is the percentage of each element present? Explain your results.