Calculate the atomic mass of of sulfur if 95.00% of all sulfur atoms have a mass of 31.972 amu, 0.76% has a mass of 32.971 amu and 4.22% have a mass of 33.967amu. Provide your answer below with correct decimal places and units.

Q: A certain element has two naturally occurring isotopes. The atomic mass of isotope 1 (81.7494 %…

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Q: What is the value of Avogadro's number?

A: Answers are given below.

Q: How many grams of Li are there in a sample of Li that contains 3.58×1023 atoms? grams

A: Number of Li atoms (n) = 3.58×1023 Avogadro's constant (N) = 6.023×1023 Molar mass of Li = 6.94…

Q: A 49.8 g sample of water (H2O) contains 5.57 g of hydrogen. What mass of oxygen is contained within…

A: Solution:- 2H2O -> 2H2 + O2       Given data:- 49.8 g sample of water contains 5.57 g of…

Q: please answer with proper explanation. Question: what is an atom?

A: Atom is smallest indivisible unit of an element. It comprises of central compact mass called as…

Q: What is the number of protons of the given element?

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Q: The mass number of an atom is equal to the sum of which subatomic particles.

A: An atom is the smallest unit of ordinary matter that forms a chemical element and which can not be…

Q: 5. Boron exists as two isotopes, Boron-10 and Boron-11. The average atomic mass for boron on found…

A: Isotopes are the chemical species having same atomic number but different mass number. Isotopes of…

Q: A certain element exists as three different isotopes, 29.1% of all the isotopes have a mass of 75.23…

A: The average atomic mass can be calculated by using Following formula - AAM = (Mass of 1st isotope×%…

Q: Determine the number of atoms of mercury in a 8.332 g sample of pure mercury

A: First Calculate mole= weight/molar mass Atomicity =1 because Mercury excuse as Hg in nature so 1…

Q: [Atomic Weights: Zn 65.39 amu S 32.07 amu O 16.00 amu Report Table Express each number to the…

A: (a)Mass of empty crucible = given in data table = 23.578 gram (b) Mass of crucible+unknown = 27.432…

Q: Explain why atomic masses are not whole numbers.

A: The atomic masses are an important quantity of each element. Each element of the periodic table will…

Q: A 22.3 g sample of CaSO4 is found to contain 6.57 g of Ca and 10.5 g of O. Find the mass of sulfur…

A: Mass percentage of an element in a compound indicates the ratio of mass of that element in the…

Q: in a sample of 47,500 silver atoms it was discovered that 35.8% of them had a mass of 107.35 amu and…

A: The objective of the question is to calculate the number of silver atoms

Q: Estimate the average mass of element Y, if it is composed of two isotopes. The first isotope have a…

A: Average atomic mass = f1M1 + f2M2 +… + fnMn Where f = fraction representing the natural abundance of…

Q: a. Using the average atomic mass of carbon, calculate the mass (in amu) of 138 carbon atoms. amu b.…

A: Note: As per the guidelines solution of 1st question has been made. For the expert solution of…

Q: a. 0 35. Rubidium has two naturally occurring isotopes, Rb-85 (relative mass 84.9118 amu) with %…

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Q: Rank the elements in the table below in order from least to greatest number of atoms. Mass (g)…

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Q: In a neutral atom the number of protons equals

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Q: How many electrons are in gold atom? Does protons also take part in chemical reaction?

A: Gold is a chemical element with the symbol Au and atomic number 79, making it one of the higher…

Q: The actual mass of a 17CI atom is 36.9659 amu. Calculate the mass deficiency (amu/atom) for a 17…

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Q: Consider two compounds. Compound A contains 2.77 g of phosphorus and 9.53 g of chlorine. Compound B…

A: Given,Mass of Phosphorus in compound B =11.9gMass of chlorine in compound B =40.9g

Q: Describe the parts of an atom. Define proton, electron, atomic number, andatomic mass.

A: Describe the parts of an atom. Define proton, electron, atomic number atomic mass.

Q: A Chemistry student at Agora is calculating the average atomic mass of Potassium using the following…

A: We are given the atomic mass and relative abundance of the two isotopes of potassium(K). We have to…

Q: Neutral particles are called: Particles that have a charge are called: Particles of the same element…

A: Here is the answer

Q: 17. Write the atomic mass for Carbon to 3 significant figures.

A: Carbon is non metal  Carbon Symbol is C  Carbon atomic number  is 6  Carbon electronic configuration…

Q: What do you look at on the periodic table to determine the number of protons of a element

A: The atomic number of an element tells the number of electrons in it. An element in its neutral state…

Q: A single atom of element Q has a mass of 1.09 x 10 -22 g. What is the name of the element Q?

A: Given : Mass of single atom of element = 1.09 X 10-22 g Assuming atomic mass of element is M.

Q: g and a small airplane has a mass of 5000. kg. An aluminum atom has a mass of 4.48 × 10 Use this…

A: The mass of 1 aluminum atom is .The mass of an airplane is 5000. kg.To find the mass of 1 mole of…

Q: Based on the following word descriptions, write the formula for each of the indicated substances.a.…

A: A formula of any compound which represents number of the all types of atoms of that compounds…

Q: a. Using the average atomic mass of carbon, calculate the mass (in amu) of 137 carbon atoms. amu b.…

A: We have to calculate the mass of atoms from the average atomic masses of the given atoms.

Q: 30 The mass of one atom of 14SiCon is 29.9738 amu. What is its mass mass deficiency (amu/atom).…

A: Mass of silicon atom = 29.9738 amu  Mass of an electron = 0.00055 amu  Mass of proton = 1.0073 amu…

Q: Consider the mass of Sulfur and Fluorine in compound A (16.6 g S, 9.80 g F) and compound B (23.2 g…

A: According to atomic theory the atoms do no react in arbitrary numbers but in multiples of fixed…

Q: Define atom. List the subatomic particles, and describe their relative masses, charges, and…

A: Chemistry is the branch of science concerned with the composition, structure, properties, and…

Q: explain how we calculate the mass of an atom and why we write this down in atomic mass units

A: Atomic mass of an atom is the sum of total number of protons and neutrons present in the atom. It is…

Q: A 7.83-g sample of HCN is found to contain 0.290 g of H and 4.06 g of N. Find the mass of carbon in…

A: Interpretation-  Find the mass of carbon in a sample of HCN with a mass of 3.37g when 7.83-g sample…

Q: An 0.355 mol sample of a metal has a mass of 24.75 g. What is the mass of one atom of the element?…

A: Given: Moles of metal = 0.355 mol. And the mass of metal sample = 24.75 g.

Q: The element lithium has two stable isotopes, lithium-7 with a mass of 7.016 amu an lithium-6 with a…

A:

Q: In a sample of 47,500 silver atoms is was discovered that 35.8% of them had a mass of 107.35 amu and…

A: Number of Silver atoms = 47500 35.8% of Silver atoms have a mass of 107.35 amu The remaining Silver…

Q: Enter the following information. Enter all numerical answers as numbers, i.e. "1", not "one. Hint:…

A: Atomic  mass(A) : is the mass of atom . A= proton + neutron.  Number  of proton = number of…

Q: determine atomic number, mass number, number of protons and number of electrons in a neutral atom…

A: It is given that the element is potassium which has an atomic number 19 and which has 22 neutrons,

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.