atomic mass of an element related to its molar mass?

Q: Calculate the average atomic mass

A:

Q: Static electricity is observed when whic part of the atom is transferred? a. Protons b. Neutrons I…

A: Static electricity is observed when electrons are transferred .  Naturally occurring static is…

Q: Use the information given below to calculate the average atomic mass of element X.

A: The data given is,

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: What is the atomic mass of oxygen-17 (16.9991 amu) at 0.038%

A: Using the formula We can easily get the answer

Q: [References] An element consists of 0.19% of an isotope with mass 135.907 u, 0.25% of an isotope…

A: Given : Mass of isotope 1 = 135.907 u  Abundance of isotope 1 = 0.19 % Mass of isotope 2 = 137.9060…

Q: What is atomic weight?

A: The Matter is composed of the smallest unit known as an atom. The atom has 3 subatomic particles…

Q: If the rust found spread over the surfaces of a steel car body contains a total of 2.331×1023 oxygen…

A:

Q: Determine the number of atoms in a 1.00 mg sample of Carbon-14?

A:

Q: Fill in the table with the most information you can. Use pictorial illustrations whenever necessary.…

A: Structure of atom has been described on the basis of various types of atomic model given by various…

Q: actual mass of a 37Cl atom is 36.966 amu. Calculate the mass defect (amu/atom) for a 37Cl atom.

A: Mass defect of the atom = [Z(mass of proton + mass of the electron)]+(A-Z) mass of neutron]- the…

Q: One atom of Se-77 is 6.410 times as heavy as an atom of C-12. What is the atomic mass of Se-77?

A:

Q: What is the mass of 1.213 × 10^8 mol S?

A: Mass = 3.88× 109 grams

Q: The element X in a compound was involved in a chemical reaction. After the reaction was completed,…

A: Given: Element X undergoing a chemical reaction.

Q: What is the difference between the atomic mass and the atomic weight?

A:

Q: 6. What is electrical charge?

A: The definition of electric charge has to be given,

Q: what is the mass element of calcium?

A: Mass of an element is represented by A in symbolic representation of element.

Q: 18.5 How many moles are in a 2.40 cm × 2.40 cm × 2.40 cm cube of copper?

A:

Q: Why is the atomic weight of chlorine 35.4527 in stead of exactly 35

A: Answer:  Since chlorine exhibits two isotopes Cl35  and  Cl37 in 3:1 ratio Hence we will take…

Q: What can happen as nuclei decay? A.The atom will donate protons and neutrons to another…

A: Nuclear decay is the process in which unstable nuclei is converted into stable nuclei by releasing…

Q: Suppose a new element is found on an extraterrestrial planet, element J. Element J consists of two…

A:

Q: What is the atomic weight of copper

A: The atomic number (Z) of a chemical element is tells that the number of protons in the element.

Q: List eleven elements found on the periodic table which are gasses at room temperature. (Please note…

A: Inert elements, such as He, Ar, and Kr, Xe, and Rn, exists in the gaseous state due to their less…

Q: Calculate the number of atoms of Zn in a sample with mass = 2811 amu.

A: We have to predict the number of atoms of Zn.

Q: Determine the missing element -3516S----à -10e + ?

A: Balanced nuclear equation is the equation in which the sum of subscripts as well as sum of…

Q: Chemical for 3. How many times larger is the volume of the atom than the volume of the CaCl₂…

A: An atom consists of positively charged nucleus at its centre where the size of the nucleus is very…

Q: Matter is defined as ....... إجابتك Felite is إجابتك

A: 2. The term matter refers to anything that occupies space and has mass—in other words, the “stuff”…

Q: I want to know at least some reason why the mass of the Mgo formed could be lower that expected

A: Interpretation -  To tell about a reason why the mass of the MgO formed could be lower that expected…

Q: ny atoms a

A: The number of moles is determined as the mass of the substance upon its molar mass. The number of…

Q: What is the atomic weight of Nitrogen?

A: Given Nitrogen Atom. We need to determine the atomic weight of Nitrogen.

Q: A 2.25 mol sample of an element has a mass of 51.8 g. What is the element?

A:

Q: Suppose a piece of silver jewelry contains 6.23x1022 atoms of silver (Ag). Part A How many dozens of…

A:

Q: Determine the mass of Strontium-86 (in u) given that the average atomic mass of Sr is 87.6126 u and…

A:

Q: 5. What would 756 atoms of Iodine weigh in amu? -

A: The question is based on mole concept. We have to calculate mass of the given number of atoms of…

Q: How many V atoms are there in a 97.9 gram sample of V ? atoms

A: Mass of sample = 97.9 grams.  Number of atoms of V sample = ?

Q: What is the mass number of Hg from the periodic table?

A: Answer:- Mass number:- It is defined as the total number of proton and neutron or can be defined as…

Q: It is discovered that it contains 7.759 %  by mass of  of the element oxygen (molar mass 16.00…

A: To calculate empirical formula of compound Ontarium , we first calculate moles of both Oxygen and…

Q: The mass ratio of sodium to chlorine is sodium chloride is 0.649:1.  A sample of sodium chloride…

A: 2NaCl ------> 2 Na + Cl2 Mass ratio of sodium to chlorine is sodium chloride is 0.649:1. Sample…

Q: how many atoms per particle in sulfur(s8)?

A: Atomic mass of sulfur = 32g Molecular mass of S8 =8×32=256g

Q: 17. How many atoms of silver are present in a 75 gram pure sample? c. 1.34 x 10-20 d. 4.87 x 10-27…

A: Since you have posted multiple questions , as per guidelines we can answer one per session . If you…

Q: 20. What is the approximate total number of atoms in 1.0 mole of lithium?

A: Lithium is an element from the group 1 alkali family.  Lithium is having an atomic number of 3 and…

Q: Why is the mass corresponding to a mole of one element different from the mass corresponding to a…

A:

Q: The element argon has three isotopes and an average atomic mass of 39.948 u. Idenitfy the most…

A: Given that, Average  Atomic mas s of At=39.948 amu

Q: Bronze medals are made from an alloy composed of 93.8% copper, 5.1% tin, and 1.1% zinc (measured by…

A: Given : Mass % of copper = 93.8 % mass % of tin = 5.1 %  and mass % of Zinc = 1.1 % Assuming 100 g…

Q: Boron consists mainly of 19.9% boron-10 and 80.1% boron-11. What is the average atomic mass (amu) of…

A: The average Atomic Mass of Boron is given by -

Q: An unknown element X has the following isotope: 25X (80.5% abundant) and 27X (19.5% abundant). What…

A: Given : Isotope 1 : X25            Atomic Mass = 25           % Abundance = 80.5 %…

Q: What is the number of atoms in element Pt?

A: The Pt symbol is used for the platinum and it is a member of the VIII B group thus it is a…

Q: An element´s relative mass, expressed in atomic mass units on the periodic table, is equal to its…

A: The mass of an atom can be expressed in different forms like molar mass,  relative mass, atomic mass…