A hypothetical element, E, has two stable isotopes:E-46- 46.046 uE-51 = 50.826 u64.08%%3D35-92%%3DWhat is the average atom weight of the element?O A. 49.11 uO B. 47-76 uO C. 48.44 uO D. 47.44 uO E. 48.50 u

m1 = 46.046 , f1 = 64.08100 = 0.6408 m2 = 50.826 , f2 = 35.92100 = 0.3592 m1 and m2 are the mass if…

Answered: A hypothetical element, E, has two…

A hypothetical element, E, has two stable isotopes: E-46-46.046 u 64.08% E-51 = 50.826 u %3D 35-92% What is the average atom weight of the element? O A. 49.11 u PB. 47.76 u C. 48.44 u

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

Related questions

Q: A sample has 8.63 x 10 atoms of boron. How many moles of boron does this represent? O1.41 .014 O…

A: Given : Number of atoms of boron = 8.63 X 1021 atoms

Q: An element X occurs as three stable isotopes: X-21, X-22 and X-23. X-21 is 90.48% abundant and X-22…

A: Given : Element X exists as three stable isotopes. The three isotopes are: X-21 X-22 X-23

Q: A compound was analyzed and the following results were obtained: • Molar mass: 270.4 g/mole • Mass…

A: The chemical formula of an unknown compound is determined by the percent by mass of the elements…

Q: None

A: Step 1:We can calculate the moles and atoms of sugar using its molar mass. 9 grams × (1 mol of…

Q: Assume that a certain element (let's call it X) has two (and only two) isotopes: 35x (35.0 a.m.u.)…

A: Given data :

Q: A sample of CH 2F 2 with a mass of 19 g contains atoms of F. 38 в) 3.3х 1024 c) 2.2 x 1023 D) 9.5 E…

Q: The reaction of sulfur powder (S8) with oxygen gas (O2) results in the formation of one of many new…

A: We know that, molar mass of O = 15.999 g/mol molae mass of S = 32.065 g/mol

Q: Determine the number of N atoms in a sample of C7H5(NO2)3 that has the same number of O atoms as…

Q: Tin has 10 stableisotopes. The heaviest, 124Sn, makes up 5.80% of naturally occurring tin atoms. How…

A: Given that, 124Sn isotope makes up 5.80% of naturally occuring tin atoms Mass of tin sample = 57.0…

Q: There are 1.8 x 1024 atoms of chlorine in a sample of magnesium chlorate, Mg(CIO3)2. What mass of Cl…

A: Given: Atoms of chlorine in the sample = 1.8×1024 Molar mass of Cl = 35.5 g/mol

Q: The atomic mass is derived from the mole. O True O False

Q: Magnesium exists in nature as three stable isotopes. Suppose you determine that 9.87 moles of…

A: Given - Exact masses of isotopes of Mg 25Mg = 24.9858 amu 24Mg= 23.9850 amu. 26Mg = 25.9826 amu. To…

Q: a. Use the average atomic mass to calculate the mass in grams present in 0.158 mol of lithium. g b.…

Q: #2 pls

Q: Naturally occurring element X exists in three isotopic forms: X-28 (27.977 amu, 32.21% abundance),…

A: In the given question , we have to find out the atomic weight of given isotopic elements.isotope…

Q: Element X has two stable isotopes: 35X - 75.77%, 34.97 amu 37X - 36.97%, 36.97 amu a. Calculate the…

A: a) Note : the % you have mentioned for 37X is not possible as total % of both is becoming > 100%…

Q: 5.061 g of a hydrated metal sulfate is heated only 2.472 g of anhydrous metal sulfate remains. What…

A: By heating the water is removed from the molecule . From the weight loss we can calculate the…

Q: 15. The total count of atoms in 1.3 mol of argon in its elemental form is: A) 1.3 B) 7.8 × 1023 C)…

A: Moles of Argon= 1.3 Number of Atoms of argon = ?

Q: How many grams of platinum (Pt) contain the same number of atoms as 5.0 g of lithium (Li)? О а. 0.18…

A: Given, Mass of lithium (Li) = 5.0 g Mass (in grams) of platinum (Pt) contain the same number of…

Q: Kindly complete the table below and show how it was done. Final answers must be reported in proper…

A: 25.3 mL of glacial acetic acid is dissolved in water to form a 50 mL solution. Here, we have to…

Q: CROSOTTODICH Calculate average atomic weight. Calculate the atomic weight for bromine. It has two…

Q: What is the molar mass of the solid C 6H8 N4 O 4? 2. The following 18 O -2. How many…

Q: 7. H₂O + CaO Ca(OH)2 (HINT: Don't forget to multiple the atoms by the number outside their…

A: For balancing the equation, first balance the elements that appear only once on each side of the…

Q: sample of 2 tsp of sugar (C12H22O11) weighs 9.00 g. a. Record each step needed to calculate the…

A: We have given that A sample of 2 tsp of sugar (C12H22O11) weighs 9.00 g calculate the moles and…

Q: Consider the following data for the element Z. Determine the number of b) protons, c)electrons and…

A: Given : There are total 3 isotopes of element Z. Number of protons in isotope 1 = 16 And mass of…

Q: What is the charge of the underlined atoms below? a. NO2 b. FeCl3 c. K2SO4 d. ClO3-

A: NOTE : As you mentioned find charge of underlined atoms. No underlined atoms shown. So, charges of…

Q: 7. Place the labels chemical symbols, atomic number, and mass number in the shorthand notation…

A: -> The number at down side in symbol is always atomic number . -> The number at upper side in…

Concept explainers

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.

Question

A hypothetical element, E, has two stable isotopes:
E-46- 46.046 u
E-51 = 50.826 u
64.08%
%3D
35-92%
%3D
What is the average atom weight of the element?
O A. 49.11 u
O B. 47-76 u
O C. 48.44 u
O D. 47.44 u
O E. 48.50 u

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

If you have 1 mole of Ca3(PO4)2, how many moles of phosphorus do you have? 04 02 01 8 10 6 - 2×281 Li Be Na Mg Cs Rb Sr Fr Passlan 48.COM 21 Ca Sc Ti Devis Ba Seim Ra Feuers 3 BIB 38 Lak 4 IVB 48 Sories 85-103 104 305 VB Hf Ta W G V8 Cr wonten Ac Th Pa For ZIT KIN Nikal Metal Periodic Table of the Elements Earth Mn Fe SUPER 7 VIB Re Os 238.000 Metal Al Symbol 40 +41 +447 4440 Zr Nb Mo Tc Ru Rh Pd Ag Cd Shar Catrin 100.42 Als Miss Radic 9 Co Cout 10 Ir THAY 18 Ni Cu 81548 30 Pen 195 12 211 Zn 10 Pt Au Hg Vanay 105 107 106 1001101112 Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Srikada in N BA 3A B Al Ga TI Th 34 MA 4A 34041 com Si 36048 15 VA SA N HEE Ge As Se 24002 STATI |82___ _+4²2|||03_ Sn Sb Te Tin A Marin Pb Bi Find 16 VIA 114 115 Lanthanide OF NE 100 S Po 17 VIA JA MC LV Uveden Cho PLANE La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu LATINE P ter THEM Dyre Inen YSKLA uten LASION INTEN HANN STEM Np Br TREH Pu Am Cm Bk Cf Es Fm Md No 244.244 141000 18 VIIA BA He Ba Ar Lr Kr 24729 At Rn Xe 117 118…
A mixture of Thallium was made that contained 60.0 % 203TI and 40.0% 205TI. The mass of 203TI and 205TI are 202.97 amu and 204.97 amu respectively. Calculate to weighted average atomic mass for this sample.
In 5. How many nitrogen atoms are there in a 346 g sample of pure ammonia (NH3, 17.031 g/mol)? b) 2.0 x 1025(3k0 c) 5.00 x 1022 5.88 00ubong of bebeen sh6 (lom\g 22.00) JEToiro mulzestoq lo amsig ymom wol a) 3.68 x 1025 d) 2.15 x 1025 00.5 to 190mst s te ZAS (d ESA (b T.OI (6
Symbol Abundance in Nature Protons: Periodic Table Neutrons: Electrons: H. Не Li Be C Ne My Isotope Symbol Carbon-13 Abundance in Nature +1 Stable O Mass Number 13 Neutrons Atomic Mass (amu)
echn... SPCA for Montere... e summer 22 8.4 x 1022 If the mass of a pure silver (Ag) coin is 15 g, then how many Ag atoms are present in this coin? 6.3 x 1022 5.3 x 1022 HQ The SPCA Monter... 4.2 x 1022 Cabrillo Counselin...
Element C has three naturally occurring isotopes. The masses (amu) and % abundances of the isotopes are given in the table below. The average atomic mass of the element is ___amu?
Rb Rubidium Strontium 85.468 87.62 88,906 56 Ba Caesium Baum 132.91 137.33 55 6 Cs 2 C ΔΔΔΔΔΔΔΔΔΔΔΔΔ 72. 57-71 Hf AAAAAAAAAAAAAAAA in Ha reum | 176.49 DHCL 601 104 Rf Ta Tantalum Tur 180.95 183.84 Hassiun (270) stable isotopes, the mass numbe 105 106 107 Db Bh Dubnium Sergem Bohum Sg (268) (269) (270) 62 & what mass of HCI is grams ALLOH)3 Al(OH), us+ 3HC/ (aq) →→→ A/C/₂ (4) + 3 H₂0 (1) (s) (aq) 63 Europium Gado Eu Gd Moles of HCl = 64 - HCl = 1,008 + 35.45 = 36.458 0.660 36,958 required to react with a660 g of EX