Oxygen forms a number of compounds with sulfur, many of which are quite reactive. One such compound is 57.20% by mass S. Calculate the number of grams of oxygen present in the sample of this compound that contains 52.00 grams of S.

Q: O What is the mass of 0.6 mole of CO2 (in g)? A) 31 B) 7 C) 26 D) 18 E) 37

A: Given: Moles of CO2 = 0.6 mol Standard data: The molar mass of CO2 = 44 g/mol

Q: How many kilograms of NaCl contain 3.49 x 10 ions? There are 2 moles of ions per mole of NaCl, and 1…

A: Given  number of ions of NaCl= 3.49 x 1025 ions molar mass of NaCl = 58.5 g/mol 1 mole  = 6.022 x…

Q: 7.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

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Q: the number of copper atoms in a 3.0g lump of copper is 2.8x1022 .how many electrons present in the…

A: Number of copper atoms = 2.8 × 1022  We need to determine number of electrons present.

Q: Calculate the number of atoms per cubic meter in lead. The density and atomic weight of lead are…

A: Given,  The density and atomic weight of lead are 11.35 g/cm3 and 207.2 g/mol and the Avogadro's…

Q: Chemical analyses conducted by the first Mars Rover robotic vehicle in its 1997 mission collected…

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Q: 3) Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium…

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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: A materials engineer has filed for a patent for a new alloy to be used in golf club heads. The…

A: The minimum composition of elements is as follows: Mn=25%Al=6.3%C=0.65%Cr=5.5% The maximum…

Q: Vanadium forms four different oxides in which the percent by mass of vanadium is, respectively, (a)…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: If 3.5 g of element X reacts with 10.5 g of element Y to form the compound XY, what is the percent…

A: A chemical compound is a chemical entity made up of several similar molecules (or molecular…

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: The mass of a single molybdenum atom is 1.59×1022 grams. How many molybdenum atoms would there be in…

A: Given: Mass of single molybdenum i.e. Mo atom = 1.59 X 10-22 g. And total mass of Mo sample = 110 mg…

Q: A 1.740-g sample of coal contains 1.584 g C. Calculate the mass percentage of C in the coal. Mass…

A: Mass percentage of C = 91.03 %

Q: Calculate the mass of 3.01 x 1025 atoms of terbium whose molar mass is 158.9 g/mol.

A: Given that, Mass of atoms=Calculate the mass of 3.01 x 1025 Molar mass of terbium= 158.9 g/mol.

Q: What is the mass, in grams, of each of the following samples? a.) 2.75 mol of iron, Fe  b.) 0.115…

A: Mole of solid sample is calculated by below formula,

Q: Calculate the mass, in grams, of 532.0 atoms of cadmium, Cd (1 mol of Cd has a mass of 112.41 g).

A: We know that, 1.0 mol of any substance = 6.022 × 1023 atoms of that substance.

Q: A sample of cyanic acid, HCN, contains  3.33 x 1022 atoms. a. How many moles of cyanic acid are in…

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Q: A sample of a “suboxide” of cesium gives up 1.6907% of its mass as gaseous oxygen when gently…

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Q: 9.21 x10^19 molecules of hydrogen gas,(H2) are equal to how many grams of hydrogen gas?

A: Number of molecules = 9.21 × 1019 molecules Avogadro’s constant = 6.022 × 1023 molecules Numbre of…

Q: Calculate the mass, in grams, of 162 atoms of potassium, K (1 mol of K has a mass of 39.10 g).

A: Avogadro number determines the number of atoms in one mole of a substance. Its value is 6.022×1023…

Q: Given the chemical reaction N₂ + 3H₂ → 2NH3 Determine the largest mass of NH3 that could be produced…

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Q: Coal is a leading source of energy for the world. While coal is primarily composed of carbon and…

A: Given:S(s)+O2(g)→SO2(g)

Q: Calculate the mass, in grams, of 422 atoms of potassium, K (1 mol of K has a mass of 39.10 g).

A: Atoms of potassium = 422 atoms  Mass of 1 mol potassium = 39.10 g Mass of 422 atoms of K = ?

Q: Matter is neither created nor destroyed in a chemical reaction. Thus, the mass of the products of a…

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Q: An unknown compound containing tellurium and bromine is analyzed and it is determined that 28.53% of…

A: For a compound consisting of two components A and B, mass% of A abd B are related to each other as…

Q: A sugar crystal contains approximately 1.8x1017 sucrose (C12H22O11) molecules. What is its mass in…

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Q: White phosphorus consists of a molecule made up of four phosphorus atoms. It burns in pure oxygen to…

A: The given balanced chemical equation                                               P4…

Q: A 0.933 g sample of Nickle metal is heated in the presence of nitrogne gas forming 1.081 grams of a…

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Q: The molar mass of platinum is 195.08 g/mol. What is the mass of 1.00 × 102 Pt atoms?

A: Given information: Molar mass of Pt = 195.08 g/mol Atoms of platinum = 1.00 × 102

Q: calculate the mass, in grams, of 532 atoms of potassium, K (1 mol of K has a mass of 39.10g).

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Q: Amounts of tin may be alloyed with copper to produce bronzes of varying composition and properties.…

A: Given :  Mass of bronze = 8.9394 g  Mass of mixture of oxides = 11.2311 g

Q: A sample of trifluoroacetic acid, C,HF,02, contains 25.3 g of fluorine. Calculate the mass of the…

A: One molecule of C2HF3O2 contains 2 atoms of carbon, 1 atom of hydrogen, 3 atoms of fluorine and two…

Q: Which weighs less, 0.25 mole of xenon atoms or 2.0 moles of carbon atoms?

A: The mass of 0.25 mole of xenon atoms can be calculated as

Q: Lithium nitride reacts with water to produce ammonia and lithium hydroxide according to the equation…

A: Given,ND3 = 140 mg (or) 0.14 gMolar mass of ND3 = 20.042 g/molMolar mass of D2O = 20.027 g/mol

Q: 4. How many grams would 2.5 moles of magnesium (Mg) weigh? 5. How many grams would 10.0 moles of…

A: 4) Given : Moles of Mg = 2.5 mol Since atomic mass of Mg = 24.3 g/mol Hence mass of Mg = moles X…

Q: 127: An iron ore contains 38% Fe203 by mass. What is the maximum mass of iron that can be recovered…

A: 127. Given information, An iron re contains 38% Fe2O3 by mass Mass of iron ore = 10.0 kg

Q: For 2.577 g of a compound containing only copper and oxygen, Cu,O, a student found that it contained…

A: Answer = 0.07781 mole

Q: Sodium and nitrogen form two different binary compounds. The percentages in the two compounds are:…

A: a) Step 1: Conversion of mass % to grams. Assume the weight of the compound is 100 g. Thus, in 100 g…

Q: 1.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A:

Q: A sample of ethyl mercaptan weighing 3.17 g contains 1.46 g of sulfur.  What mass percentage of this…

A: Given Mass of sample = 3.17 g Given mass of sulfur in it = 1.46 g We need to determine % of sulfur…

Q: What is the average atomic mass of a mystery substance that is 27.5 at a mass of 37g and 72.5% at a…

A: Given: Mass =37 g  Percentage %=27.5 % Mass =38 Percentage % =72.5% Average mass=?

Q: Bituminous coal is a type of coal that is composed of carbon with small amounts of hydrogen, oxygen,…

A: Chemical formula of Bituminous coal is C137H97O9NS Molar mass of Bituminous coal…

Q: How many atoms of nitrogen are there in a sample of (4.80x10^2) grams of N2(g)?

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Q: What mass of iron(III) oxide must be used to produce 64.28 g of iron? What is the maximum mass of…

A: The equation required to produce iron from iron(III)oxide is as follows, Given grams of iron is…

Q: To prevent the presence of air, noble gases are placed over highly reactive to act as inert…

A: The partial pressure of a gas in a mixture of gases is equal to the total pressure multiplied by the…

Q: = How many moles are there in 91.1 g of uranium, U?

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Q: Phosphorus is obtained primarily from ores containing calcium phosphate. If a particular ore…

A: Given information: The mass percent composition of calcium phosphate is 57.8% The amount of…

Q: The reaction between methanol and oxygen gas produces water vapor and carbon dioxide. 2 CH, OH(1) +…

A: The given reaction is : 2 MeOH(l) + 3O2(g) = 4H2O(g) + 2CO2(g)  From the reaction it is clear that 2…

Q: From this data, what empirical formula of magnesium oxide.

A: Mass of oxygen added = 35.1556 - 35.0079 g Mass of Oxygen = 0.1477 g Moles of oxygen = mass / molar…