Problem 2-75 only Cinwater.2-73. Rank the following fertilizers in decreasingOr-desig- der of mass percentage of nitrogen:nes.(b) NH3(g)(a) NH,NO3 (s)(c) (NH,),SO,(s)(d) (NH,),HPO,(s)(e) (NH,)H,PO,(s)(f) KNO;(s)esig-2-74. A certain protein was found to contain 0.168%cobalt by mass. Determine the minimum molecularmass of the protein.es.2-75. A sample of rutile, an ore of titanium consist-onting ing principally of TiO, (s), was found to be 65.2%TiO, (s) by mass, with the remainder being sand im-purities. What is the minimum number of metric tonsof the ore that must be processed to obtain 10.0 met-ric tons of titanium?2-76. Tungsten is the metal used in the filaments ofing incandescent lightbulbs. Naturally occurring tung-sten consists of five isotopes with the following isoto-rontpic masses and abundances:IsotopeIsotopic massAbundance/%180W179.946 7060.12

The question is based on the concept of quantitative analysis. we have to calculate how much…

Answered: 2-75. A sample of rutile, an ore of…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter2: Atoms, Molecules, And Ions

Section: Chapter Questions

Problem 2.1QE

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Similar questions

2-43 Which group(s) of the Periodic Table contain(s): (a) Only metals? (b) Only metalloids? (c) Only nonmetals?
2-99 A 7.12 g sample of magnesium is heated with 1.80 g of bromine. All the bromine is used up, and 2.07 g of magnesium bromide is produced. What mass of magnesium remains unreacted?
2-73 (Chemical Connections 2D) Copper is a soft metal. how can it be made harder?
2-83 The natural abundance of boron isotopes is as follows: 19.9sf boron-l0 (10.013 amu) and 80.1% boron-11 (11.009 amu). Calculate the atomic weight of boron (watch the significant figures) and compare your calculated value with that given in the Periodic Table.
2-23 It has been said, “The number of protons determines the identity of the element.” Do you agree or disagree with this statement? Explain.
2-44 Which period(s) in the Periodic Table contain(s) more nonmetals than metals? Which contain(s) more metals than nonmetals?
2-22 what makes thw difference between the isotopes of an element?
6/3 Li ------> 4/2 He + _____________?
2-100 A 0.100 g sample of magnesium, when combined with oxygen, yields 0.166 g of magnesium oxide. What masses of magnesium and oxygen must be combined to make exactly 2.00 g of magnesium oxide?
3-58 In Section 2-3B, we saw that there are seven diatomic elements. (a) Draw Lewis structures for each of these diatomic elements. (b) Which diatomic elements are gases at room temperature? Which are liquids? Which are solids?
2-20 Calculate the percentage of hydrogen and oxygen in water, H2O, and hydrogen peroxide, H2O2.
2-69 (Chemical Connections 2A) Why does the body need sulfur, calcium, and iron?

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2-75. A sample of rutile, an ore of titanium consist- ing principally of TiO,(s), was found to be 65.2% TiO, (s) by mass, with the remainder being sand im- purities. What is the minimum number of metric tons of the ore that must be processed to obtain 10.0 met- ric tons of titanium?