Determine the mass in grams of 5.48 × 10²¹ atoms of arsenic. (The mass of one mole of arsenic is 74.92 g.)

Q: What is the mass in kilograms of 5.6 x 1027 molecules of carbon tetraiodide?

A: Number of moles of a compound is equal to the ratio of the given mass of the compound to the molar…

Q: What is the mass, in grams, of 8.52 × 10 15 atoms of gold present in one nanoparticle?

A: given, atoms of gold present in one nanoparticle = 8.52 × 10 15 atoms the molar mass of gold, Au =…

Q: How many moles of nitrogen atoms are there in 1.64 x 1023 molecules of dinitrogen trichloride,…

A: Mole can be defined as a standard unit for measuring large quantities of very small and entities…

Q: 1.2x10^23 gold atoms calculate into mass, in grams

A: Given:Number of gold atoms = 1.2 x 1023 atoms.Molar mass of gold (Au) = 199.97 g/mol.

Q: A sample of monochloro pentaborane (9), B5H8Cl, has a mass of 20.7 g. What amount, in moles, does…

A: Chemical formula of monochloro pentaborane = B5H8Cl.Above compound contains B, H and Cl atom.

Q: 12. What mass of carbon di a. 0.468 g b. 2.81 g

A: Given reaction,  C6H14 + 13CO2 -------->6CO2 + 7H2O we have to find mass of CO2 produced by 5.50…

Q: 19.78 mL of bromine contains 6.022 x 1023 bromine molecules. How many bromine atoms are in 3.00 L of…

A: Given -> Volume (V1) = 19.78 ml = 0.01978 L (1L = 1000 ml) Number of bromine molecules in V1=…

Q: How many H atoms are there in (2.22x10^2) grams of NH3?

A: The answer to the following question is given as:

Q: What is the mass in grams of 6.90 x 10^14 lead (Pb) atoms? Enter your answer in scientific notation.

A: Given: molecules of lead (Pb) = 6.90×1014 molecules molar mass of Pb = 207.2 g/mol

Q: Manganese is a transition element essential for the growth of bones. What is the mass in grams of…

A: 1 mol  = 6.022 × 1023 atoms 1 atom   =   1 / 6.022 × 1023 atoms   Mass in grams = Moles × Molar mass…

Q: What is the mass of 5.58 x 10^23 molecules of carbon tetrachloride?

A:

Q: Convert 2.4 x 1023 atoms Sulfur into grams of Sulfur

A: Introduction : We have to calculate standard enthalpy of formation .

Q: How many moles of calcium atoms do you have if you have 2.85 x 1021 atoms of calcium. (The mass of…

A: The Answer to the following Question is given as:

Q: What is the mass in grams of 1.15 x 10^24 atoms of manganese?

A: 1 mol Mn has mass equal to  59.94 g  1 mol Mn = 6.022 × 1023  atoms of Mn

Q: Determine the mass in grams 5.15 x 10^21 atoms of chromium.

A: Mole concept :-  1 mole = 6.022×1023 [Avogadro's number]  1 mole of chromium means 6.022×1023…

Q: A 3.17 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 4.34 x 1022…

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Q: What is the mass in kilograms (kg) of 4.29 X 1024 atoms of palladium?

A:

Q: What is the mass of 3.30 x 1023 atoms of silver, Ag? 25.8 g 59.1 g 85.7 g 197 g 0.549 g

A: We will use formula of mole and mass to get answer. Number of atom = 3.3×1023

Q: Calculate the number of grams of lithium in 5.44 x 1021 atoms of lithium.

A: Given,  Number of atoms of Lithium=5.44×10^21 We know, molar mass of Lithium atom=6.941g/mol Also…

Q: 4. A chemist has a sample of propanol, C3H;OH, that contains 9.2 x 1024 molecules. What is the mass…

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Q: 1. What is the mass of 1.22 x 1022 molecules of silicon monocarbide? How many molecules are in 99.5…

A: 1) given, molecules of silicon monocarbide = 1.22×1022 molecules Avogadro's constant, Na =6.022 ×…

Q: Determine the mass in grams of 3.00 x 1021 atoms of arsenic. (The mass of one mole of arsenic is…

A: Given : number of arsenic atoms = 3.00 X 1021 atoms  mass of 1 mole of arsenic = 74.92 g

Q: compound containing Sodium, Chlorine, and Oxygen is 25.42% Sodium by mass. A 3.25-gram sample gives…

A:

Q: What is the mass in grams of 7.33 x 1023 atoms of lead?   How many lead atoms are there in 20.1…

A:

Q: 3. What is the mass of 2.51 x 1024 atoms (particles) of lead metal?

A: Molar mass of lead is 207.2 g/mol. Given number of atoms are 2.54×1024

Q: the mass, in grams, of 112 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g).

A:

Q: 4) How many grams of aluminum are there in 4.05 x 10²5 molecules of Al½O;?

A: In this question we have to calculate the gram aluminum present in the given number of Atoms of…

Q: Determine the mass in grams of 7.75 x 1021 atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Given,the mass of one mole of carbon = 12.01 gNumber of carbon atoms = 7.75×1021 atomsHere, we are…

Q: What is the mass in grams of 2.06 x 10²³ atoms of potassium, K?

A: Atoms of potassium = 2.06 × 1023  Molar mass of potassium = 39.1 g/mol  Avogadro's number = 6.022 ×…

Q: what is the mass in grams of 1.49 x 10^17 chromium atoms?

A:

Q: how many grams are in 4.46 x 10 24 atoms of carbon?

A: Number of carbon atoms present = 4.46 x 1024 Atomic mass of carbon is 12 grams Atomic mass means the…

Q: The mass of a copper coin is 7.83 g. Suppose it were pure copper. a) How many moles of Cu atoms…

A: a) Given that : Mass of Copper coin = 7.83 g Molar mass of copper = 63.55 g/mol Moles of copper atom…

Q: 9. If you have 9.407 x 1023 atoms of lead, how many grams of lead (IV) phosphate can you make? 10.…

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Q: What is the mass, in grams, of 1.67 x 10^15atoms of Mn

A:

Q: How many grams are there in 8.32 x 1025 atoms of cobalt?

A: Mass of Cobalt sample can be calculated by using moles and molar mass of Cobalt as follows:

Q: What is the mass in grams of 1.67 x 10^15 atoms of Mn

A: Atoms of Mn= 1.67 x 10^15 Standard values, Molar mass of Mn= 54.9380 g/mol Avogadro's number =…

Q: What is the mass (in grams) of 8.907 x 1047atoms of silver?

A:

Q: What is the mass in grams of 6.45 x 10^23 atoms of N

A:

Q: What is the mass in grams of 4.50 x 10^20 particles of aluminum sulfate

A: Given: The number of particles=4.50 x 1020 Mass of aluminum sulfate =? The molar mass of aluminum…

Q: . What is the mass (grams) of 2500. carbon atoms?  2.  What is the mass (grams) of 6.52 x 1018…

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Q: What is the molecular weight of sugar, C6H12O6 in atomic mass units? And If you had one mole of…

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Q: How many grams are in 4.29 x 1023 atoms of platinum?

A: To convert atoms of an element  to grams, divide the number of atoms with Avogadro's number ( 6.022…

Q: 1 gram of sulfur 0.5 gram of sulfur 2 moles of suilfur 6.02 x 1023 atoms of sulfur

A: 1 mole of substance = 6.022 × 10²³ atoms Mass of 1 mole of substance is equal Molar mass of the…

Q: Determine the mass in grams of 5.36 x 10^21 atoms of chromium. (the mass of one mole of chromium is…

A:

Q: What is the mass of 8 atoms of copper in grams? 8.44 x 10-22 g 1.33 × 10-23 g X 508 g 7.58 x 1022 g…

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Q: How many grams are in a sheet of iron metal, Fe, containing 1.505 x 1023 atoms of Fe?

A: Mole is a SI unit which is used to measure the amount of substance present. Mole can be defined as…

Q: A sample of C, H, has 4.64 x 1024 H atoms. How many carbon atoms does the sample contain? number of…

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Q: What is the mass, in grams, of 7.82 x 1016 molecules of oxygen?

A:

Q: The formula for carbon tetrafluoride is CF4   A.How many molecules are in 4.19 grams of carbon…

A: The formula for carbon tetrafluoride is CF4 Molar mass of CF4 = 88 g mol-1

Q: Calculate the mass, in grams, of 762 atoms of iron, Fe (1 mol of Fe has a mass of 55.85 g). 7.07 x…

A: Given : Number of atoms = 762 And atomic mass of Fe = 55.85 g/mol

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.