43 100 80 60 27 29 40 28 41 42 39 20 58 15 10 20 30 40 50 60 Mass/charge (mle) Relative abundance (%)

Q: what is the mass percent of niacin in a multivitamin if a pill with a mass of 2.50 grams contains…

A:

Q: An atom of rhodium (RhRh) has a diameter of about  2.7×10−8cm2.7×10−8cm. What is the radius of a…

A: The radius of an atom is half of its diameter. 1 Å = 10−8 cm

Q: Given the following mass doublet values (in units of 10- u), compute the corresponding values for…

A: (1) m(C3H)-m(37Cl) = 41922.2+/-0.3 in (10-6 u) = 0.0419222+/-0.0000003 So 3m(12C)+m(1H)-m(37Cl) =…

Q: 100 43 80 60 27 29 28 40 41 20 42 39 15 58 10 30 40 50 60 Mass/charge (m/e) Relative abundance (%)…

A: To determine the compound from mass spectrum find out the highest intensity peak that is…

Q: Specify the number of protons and electrons in each of the following ions. A) Se^2−, needed for…

A: To specify the number of protons and electrons we will use the following concept . Since we know…

Q: + 2n + 240 96 (a) 235U + in 137 54 92 12. (c) {He + 2§Mo + }H– (b) 232Th + ộn+ 2Cm 6 961 42- 90 100…

A: For balancing of nuclear reaction sum of mass numbers and atomic number must be same on both…

Q: The mass-to-change ratio for the positive ion F^+ is 1.97 * 10^-7 kg/C. Using the value for 1.602 *…

A: Given information,

Q: What percentage of 145X (t1/2 = 768.7 h) would remain after 505.4 hours. Use the formula with 0.693…

A: Use first order kinetics formula to get the answer  Remaining percent=64.93%

Q: STANDARDIZE THE Na,Si02.5H;0 WITH KIO. Weight of KIO, = 0.5325 g V ot KIO, = 250 ml N KIO, V KIOL…

A: Given that -  Weight of KIO3 = 0.5325 g  V of KIO3 = 250 mL    Then, normality of KIO3 Solution -…

Q: Mass of the crucible and cover Mass 34.7816 134.76516 34.7658. After 1ª heating After 2nd heating…

A: A numerical problem based on heating experiment, which is to be accomplished.

Q: Part C: Balance each of the following equations following the procedure described in class. Be sure…

A: Applying hit-trial method of balancing chemical reaction.

Q: examples of Ssily the definitions in the introduction. Cr2 O3 + 2Al- 2Cr + Al½O3 CH4 + 202+ CO2 +…

A:

Q: 15- Two compounds formed by iodine and fluorine showed the following data, for a fixed mass of…

A: GIVEN: The mass of I in compound I =  1.0000. The mass of F in compound I =  0.1497. The mass of I…

Q: if the RD of HFO is said to be 0.84, what is its mass for 800m3? 67 200 tons       672 tons…

A:

Q: 16. 1. Five calcite, CaCO3 (MM 100.085 g/mol), samples of equal mass have a total mass of 10.3±0.1 g…

A: 1.) Given  total mass of five samples = 10.3 ± 0.1 g  molar mass of calcite, CaCO3 = 100.85 g/mol…

Q: isotope 0-16 % abundance relative mass mass contribution 99.7572 15.9949146 0-17 0.0381 16.9991317…

A: Average atomic mass is the average of atomic masses of all the isotopes of an element found in…

Q: If the radius of a neutron is 1.0 x 10-13 cm, calculate the density of a neutron in g/cm3 . (volume…

A: Given, radius(r) = 1.0 × 10-13 cm we know that the neutron is spherical in shape so the volume of…

Q: 100 43 80- 60어 27 29 28 40 41 42 39 20 15 58 0- 10 20 30 40 50 60 Mass/charge (mle) Relative…

A: Mass spectrum is the technique used in analytical chemistry for the separation of ions based on the…

Q: Five calcite, CaCO3CaCO3 (MM 100.085 g/mol), samples of equal mass have a total mass of 12.1±0.1…

A: Given , 5 calcites samples having equal masses 12.1±0.1 g

Q: The mass spectrum of a vaporized sample of potassium is given below. Use the information on he…

A: formula used average atomic mass =total relative atomic mass respect to intensity of given different…

Q: Question 20 Which of the following applies to Mass Spectrometry? Can be performed at atmospheric…

A: SOLUTION : – Fragmentation is common for some ionization methods, and yet can be avoided using other…

Q: My answer was 29.6%, why did i get it wrong?   In 1928, 44.8 g of a new element was isolated from…

A: I'm not exactly sure how u got 29.6 %. But the answer can not be 29.6 % for sure as its a quite high…

Q: Calculate the densHy of Zinc using the atomic masS Gf Zinc and m dimensions of 3.5 x 2.5 x 25mm

A:

Q: A loss of 0.4 mg of Zn occurs in the course of an analysis for that element. Calculate the percent…

A: The ratio of measurement of absolute error to the measurement of actual value is called relative…

Q: Bromine has two isotopes, 79Br and 81Br. To find out the isotopic abundance of each bromine isotope,…

A: Given data: Mass Number Peak height 79 4.12 81 4.12 158 3.34 160 6.68 162 3.34 We…

Q: Item 2 ) 2 of 33 I Review I Constants I Periodic Table Specify the number of protons and electrons…

A:

Q: The natural abundances and isotopic masses of the element neon (Ne) areIsotope               %…

A: Average atomic mass is equal to the product of % abundance and isotopic mass. Average atomic mass is…

Q: The ratio of the 2nd I.E. of He to the 3rd I.E. of Li

A: The amount of energy required to remove an electron from an atom to its gaseous state is known as…

Q: It ask that I use a rulet to determine the Rf values for each dye in the mixture. Is this correct?…

A: Rf is stand for retardation factor. It is the ratio of distance covered by solute to the distance…

Q: Which of the following statements is/are correct about the figures below? Select all that apply.…

A: Statement 1 is incorrect because oxygen is diatomic molecule but in the figure monoatomic molecules…

Q: E\CaCu) 0.337V, E Zn Za) -0.763V) a. Cu/CUSO (0.01M) CUSO, (0.1M)/Ce- b. Zn/ZnSO, (0.1M) CUSO…

A: a) Ecell = Eo - RTnF log[Products][Reactants Oxidation half reaction                 Cu ----->…

Q: 5. In a mass spectrum, the peak of greatest abundance is referred to as the…

A: Given:  In a mass spectrum, the peak of greatest abundance is referred to as the…

Q: PART 1 Prelab Question Vcylinder = trh (h= height of cylinder) The density of silver (Ag) at 20°C is…

A: Volume of cylinder = πr2h Where r = radius of cylinder             h= height of cylinder Mass =…

Q: How are the atomic masses of the natural isotopic mixtures calculated?

A: Given information,  The atomic masses of the natural isotopic mixtures calculation

Q: why

A: Given,Mass of the sample = 1.0 g1.0 amu = 1.0 g/molFrom the mass spectrum given, the sample have…

Q: O D. pH = 8.40. %3D LO 40

A: [H+] = 4.0×10-9 M As we know, At 25 °c pH = -log([H+])

Q: o 2}H + 2 }n → He o ŞLi + n+He + {T 41 p + 3D +He 1, 4. 1, o D + {T → He + o 37 1, He + T → He + 20…

A: Since in any reaction, 1) total mass number of the reactants = total mass number of the products  2)…

Q: There are two significant isotopes of chlorine. Their natural abbundances are: Isotope Atomic Mass…

A: Here two isotopes of Cl is given which are  35Cl and 37Cl. Their atomic mass and % of natural…

Q: The fictitious element concordium (Cn) has two naturally occurring isotopes: 65C (64.8913 u) and 69C…

A: The solution is as follows :

Q: A loss of 0.4 mg of Zn occurs during an analysis of that element. Calculate the percent error (% E)…

A: Percentage error is defined as the ratio of change in the amount of substance by initial amount of…

Q: 3235 92U > 234 90TH + 4 2HE2+ (a) -- true False

A: Alpha decay: In alpha decay a radioactive nucleus disintegrates by ejecting an particle. In alpha…

Q: Chlorine has two naturally occuring isotopes, CI-35 (approximately 75%) and CI-37 (approximately…

A: Mass spectrometry is an important tool for the determination of the molecular mass of the compound…

Q: Determine the a) natural abundance of isotope 1 and the b) average mass of the element (in amu) and…

A: Every atom in periodic table has some atomic mass and atomic number. When atomic number of two…

Q: Sample Substance Observat N2O4 3 Fe 4 O2 LiF Sr Al 12

A: Which are excuse in monoatomic or diatomic in nature will called as elements So S,O2,Fe,Sr,Al are…

Q: A certain element has a melting point over 700 °C and a density less than 2.00 g/cm*. Give one…

A: Density :-  It is the ratio of mass of a substance to its volume Density (d) = mass/volume   Melting…

Q: Five calcite, CaCO, (MM 100.085 g/mol), samples of equal mass have a total mass of 11.1 +0.1 g. What…

A:

Q: Mass of magnesium before is 0.33g Mass of magnesium after is 0.49 g   Identify major sources of…

A: Interpretation -  To explain about how the mass of magnesium is differ too much before weighing…

Q: State the mass law(s) demonstrated by the following experi-mental results, and explain your…

A: The mass laws helps to predict the amount of product formed.

Q: In a reproduction of the Millikan oil-drop experiment, astudent obtains the following values for the…

A: a.

Q: Gold is very malleable which means it can be pounded into very thin sheets. Decorative gold leaf can…

A:

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.