2.10. Thallium has two naturally occurring isotopes, 203TI and 205TI and has an average atomic mass of 204.39 u. Tl-205 has an abundance of 70.48%. What is the percent natural abundance of Tl-203?

Q: The formula of lactose is C12H22O11. How many carbon atoms does it have? Write the numerical answer…

A: 12 carbon atom it have

Q: A fictitious element only has two naturally occurring isotopes: X and Y. Isotope X has a mass of…

A:

Q: Using the information given in Table 4, fill the blanks with > or <. IE1 –-- IE2 -- IE3 Li: IE3 IE1…

A: The data given is,

Q: There are three isotopes of an element, X-28, X-29, and X-30, with relative abundances of 92.2297%,…

A: Given  molar mass of X1 = 28 with abundance 92.2297% molar mass of X2 = 29 with abundance 4.6832%…

Q: An iron atom has a mass of 9.27x10^−23g and a cooking pot has a mass of 0.500kg. What is the mass of…

A: Given: Mass of single iron atom = 9.27 X 10-23 g And mass of cooking pot = 0.500 Kg = 500 g…

Q: On earth, tin has 10 different stable isotopes. The heaviest, 124 Sn makes up 5.80% of naturally…

A: Given: 1)To determine the no.of atoms of 124Sn present in 27.3g of natural sample. 2) To calculate…

Q: 2. The states that the total number of atoms does not change in a chemical reaction. 3. А combined…

A:

Q: The organophosphate nerve agent A-234 is believed to have the formula C5H8F2NO3P. It is one of the…

A: Molecular formula: C5H8F2NO3P Isotope of organophosphate nerve agent with molecular formula…

Q: Nitric oxide (NO) is produced in internal combustion engines. When NO comes into contact with air,…

A: Law of multiple proportions means the ratio of element X combined with Y in different molecules is…

Q: . Polonium-210 is an alpha-emitting radioactive isotope that causes irreversible damage to organs…

A: Two questions based on nuclear reactions and general chemistry that are to be accomplished.

Q: 3.127 Platinum forms two different compounds with chlorine.One contains 26.7 percent Cl by mass, and…

A: The empirical formulas for the two compounds of platinum chloride has to be determined. Given data…

Q: The chemical formula for glucose is: C,H1206 How many carbon atoms are in each molecule of glucose?

A: The formula of glucose is given as C6H12O6.

Q: Thillium has two stable isotopes, T1 203 and T2 205.Knowing that the atomic weight of thillium is…

A:

Q: Ammonium nitrate is a common fertilizer. Agronomists base the effectiveness of fertilizers on their…

A: Formula of ammonium nitrate = NH4NO3 Molar mass of N = 14 g/mol Molar mass of O = 16 g/mol Molar…

Q: What is the mass of bromine in a smaple of tribromobenzene, C6H3Br3 , that alos contains 4.987grams…

A: Molar mass of Carbon= 12 g/mol Mass of Bromine = 80 g/mol Total mass of Carbon in tribromobenzene =…

Q: 3. A) Boron, element number 5, exists in only two common stable isotopes. They are B-10 and B-11.…

A: A) Given : There are only 2 naturally isotopes of boron i.e B-10 and B-11. The average atomic mass…

Q: An allen element known as Whooplum was discovered in Austin The percent abundance of Whooplum-125…

A: The relative abundance of an isotope of an element is the percentage of atoms of that much atomic…

Q: Nitric oxide (NO) is produced in internal combustion engines. When NO comes into contact with air,…

A:

Q: While the average adult human body has at least 60 different elements present, carbon, oxygen, and…

A: Given, % of Potassium atoms presents out of all atoms = 0.03 % Total atoms in the body = 7 × 1027…

Q: 5- Atomic mass of aluminum is 27. Accordingly, which of the following statements is wrong? O A) The…

A: The wrong ans is 1st one

Q: In many carbohydrates, the ratio of carbon atoms to hydrogen atoms to oxygen atoms is 1:2:1. If a…

A: Given: In a carbohydrate, the ratio of carbon atoms to hydrogen atoms to oxygen atoms is 1: 2: 1.

Q: hat is the mass percent of hydrogen in decaborane, B10H14?

A: Percent composition is defined as the ratio of  mass of single  element in one mole  to the mass of…

Q: 10. Natural rubidium is composed of the isotopes 8Rb, which has an actual mass of 84.9117 amu, and…

A:

Q: À fictitious element only has two naturally occurring isotopes: X and Y. Isotope X has a mass of…

A: Average atomic mass can be calculated by the following formula. Average mass=∑mass of…

Q: A sample of Cs weighs 99.5 grams. Will a sample of S that contains the same number of atoms weigh…

A: 1 mole of any substance = 6.022 x 1023 atoms (Avogadro number)   No. of moles of a substance can…

Q: It is well known that the element magnesium has three naturally occurring isotopes. Mg-24 represents…

A: It is clearly indicates that the Mg-24 posses a natural abundance of 79% along with other isotopic…

Q: What is the mass to charge ratio of a propane ion (C3H3*) if one of the carbon atoms is a 13C and…

A: The mass to charge ratio of the propane ion (C3H8+) can be calculated by taking the sum of the mass…

Q: chlorine has two different isotopes. one isotope has a mass of 35.00 amu and another has a mass of…

A: Average atomic mass of Chlorine depends on the relative abundance of the isotope present in the…

Q: What if a new element, Tyserium (Ty), was discovered and was found to have two isotopes, Ty-331…

A: Average atomic mass can be calculated by using the formula: MTy=(% abundance of of…

Q: How many atoms are there of each element in the compound Fe(NO3)3?

A: Given:  Compound Fe(NO3)3. To calculate : Number of atoms of each element that are  Fe, N and O.…

Q: Nitric oxide (NO) is produced in internal combustion engines. When NO comes into contact with air,…

A: Law of multiple proportions means the ratio of element X combined with Y in different molecules is…

Q: Tennessine has two naturally occurring isotopes.  Tennessine-293 has an atomic mass of 292.9498 and…

A: Given  Atomic mass of Tennessine -293 ( m1 )  = 292.9498 amu Atomic mass of Tennessine - 296 ( m2 )…

Q: Calculate the number of atoms of hydrogen (H) in 323 cm3 of the colorless gas ethylene at 0 °C and…

A: 1 mole of C2H4 (ethylene) has 2 moles of carbon and 4 moles of hydrogen in it.1 mole of any…

Q: There are two different compounds of phosphorous and fluorine. In PF6PF6, the mass of fluorine per…

A:

Q: Explain the following statement: The smallest particles uniqueto a compound cannot be atoms

A: A compound can be described as a substance consisting two or more elements present in unique…

Q: In the reaction 1. the Law of Gravity. CACO3 CaO+ CO2 2. the Law of Conservation of Energy. 100…

A: Here, it is given that the mass of calcium carbonate is 100 grams and the products formed will have…

Q: 1. ssm Hemoglobin has a molecular mass of 64 500 u. Find the mass (in kg) of one molecule of…

A: Hemoglobin is present in red blood cells whose function is to carry oxygen from lungs to body…

Q: How many copper atoms would there be in 70.3 milligrams of copper

A: Mass of Cu atom = 1.06 × 10-22g  Molar mass of Cu = 65.55 g/mol  70 mg Cu = 70 × 10-3 g Cu

Q: The anticancer drug Platinol (Cisplatin), Pt(NH₃)₂Cl₂,reacts with the cancer cell’s DNA and…

A: The amount of a particular compound present in a solution is expressed by the various concentration…

Q: 2.2. Boron has two naturally occurring isotopes, 1 B and "B. We know that 80.22% of its atoms are…

A: Answer: 2.2) Atomic weight of 10B 10.0084 u 2.3) Average atomic mass of Boron 10.81 g

Q: 2 Most of the elements are solids at room temperature. Give three examples of elements that are…

A: Elements: It is a pure substance that consists of atoms having the same number of protons in their…

Q: How many atoms are in the sugar in this cup?

A: Given :- mass of sucrose = 180 g  To calculate :- number of atoms in sucrose

Q: In a lab experiment, 5.2 g of Mg reacts with sulfur to form 12.1 g of magnesium sulfide. How much…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Mass

A:

Q: The molecular mass of a compound containing 75.0 % carbon, 10.5 % hydrogen, and 14.6 % nitrogen is…

A: given 75.0 %  C 10.5 %H  14.6 %N molecular mass 384.6.

Q: 2. The creation of carbon monoxide is an effect. What is one cause? A. the regrouping of the atoms…

A: 2. Operating a stove. 3.  A harmless compound can become harmful when its elements are separated. 4.…

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.