A 10.00-g sample of a compound containing sulfur and fluorine contains 2.195 g of S.  What is the percent by mass of F?  How many grams of fluorine would a 57.3 g sample contain?

Q: How many grams of C are present in 4.19 grams of carbon tetrafluoride?   How many grams of carbon…

A: Given   (i)   Mass of CF4  = 4.19 gram       Mass of carbon = ? (ii)  Mass of F = 4.61 gram…

Q: For 1.88 g of a compound containing only copper and oxygen, CuxOy, a student found that it contained…

A: Mass of copper in the sample is 1.371 g. Molar mass of copper is 63.546 g/mol.

Q: 1. Calculate the mass in grams of a single oxygen molecule, 02.

A: Molar mass of O2 is 32.0 g/mol  We have to calculate here mass of 1 molecule of oxygen i.e. O2

Q: How many grams of phosphorus triiodide contain 1.74 grams of I ?

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: made-up compound: J2(QZ3)2 Determine the number of molecules of J₂(QZ3)2 in 7.2 grams of J₂(QZ3)2…

A: Given -> Weight of J2(QZ3)2 = 7.2 gram  Atomic mass of J = 19.00 g/mole Atomic mass of Q = 35.00…

Q: In a lab experiment, 5.66 g of Mg reacts with sulfur to form 13.13 g of magnesium sulfide. How much…

A: From data find the how much magnesium sulfide would be formed if 5.66 g of Mg were reacted with…

Q: A certain mass of carbon reacts with 455.9 g of oxygen to form carbon dioxide. ________ grams of…

A: According to Law of multiple proportions:     C  + O2 → CO2    ----Eqn 1     C  + 1/2O2 → CO…

Q: Determine the number of atoms in 39.0 grams of calcium, Ca. (The mass of one mole of calcium is…

A: Mass of calcium = 39.0 grams Mass of 1 mol of calcium = 40.08 g. Number of atoms = ?

Q: sample of calcium nitride has a mass of 6.78g. How many particles does it contain?  round to 2…

A: Given Calcium nitrate mass 6.78 g Calcium nitrate  molecule formula = Ca3N2 Number of particle = ?

Q: A sample of pure carbon disulfide has a mass of 45.05 g. How many molecules of carbon disulfide…

A: Number of mols = weight / molecular weight  Number of molecules  = number of mols × 6.023 × 1023

Q: If 5.180 g of a pure element contains 4.909×1022 atoms, what is the element? The element is: (Enter…

A: 1 mole = 6.022 x 1023 entitiesMass of 1 mole = molar mass

Q: a. How many grams of S are present in 4.41 grams of sulfur hexafluoride? Mass= gS b. How many grams…

A: The mass of the atoms of the element can be calculated by using the ratio of the whole number…

Q: Suppose you mix 17.0 g of Na2SO4 and 7.10 g of C. What mass of Na2S is produced?

A: Chemical reaction is given by:

Q: Part 2 of 2 0.780 g C12H22O11 = mol C12H22O11 x10 === 7.00 g C12H22O11 mol C12H22O11 x10 G

A: To calculate the molar mass of C12​H22​O11​ we need to know the atomic masses of carbon (C),…

Q: For 1.817 g of a compound containing only copper and oxygen, CuxOy, a student found that it…

A:

Q: Which of the following samples of gases contains the greatest number of atoms? (Relative atomic…

A: 4th option is correct that is 13.0 g of C2H6

Q: What is the percent by mass of F?

A: Percent by mass of F = (mass of F/mass of compound) × 100%

Q: A compound containing nitrogen and oxygen is found to contain 1.52 g of nitrogen and 3.47 g of…

A:

Q: How many grams of CCl4 will contain 36.00 g of carbon? express your answer in decimal notation.

A: Mole of carbon tetrachloride is equal to mole of carbon

Q: Enter your answer in the provided box. Assume the atomic mass of element X is 22.99 amu. A 13.75-g…

A:

Q: For 2.526 g of a compound containing only copper and oxygen, CuxOy, a student found that it…

A: From the mass of compound and mass of Cu ,we can determine the mass of oxygen. Then using molar mass…

Q: If 6.045 g of a pure element contains 3.991x1022 atoms, what is the element? The element is: (Enter…

A:

Q: A gold wedding band is 14B, which means it is 58.3% many grams of gdd is in a l6.05g? Guld, Huw band…

A:

Q: The element rhenium (Re) has two naturally occurring isotopes, 185 Re and 187 Re. Rhenium is 62.60%…

A:

Q: Analysis of a 20.0 g sample of pure carbon dioxide shows that it contains 5.46 g of carbon. How many…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: In 6.9 g of aluminum, there are ______ x 1023 aluminum atoms present

A: Molecular mass of atom contains 6.023 × 10^23 atoms. Molar mass of aluminium is 26.981 g/mol

Q: Determine the number of atoms in 21.0 grams of sulfur, S. (The mass of one mole of sulfur is 32.07…

A: Number of moles (n)          = mass/molar mass  n = 21g/ 32.07 g/mol     = 0.655 mol

Q: If 21.4 g of aluminum is reacted with 91.3 g of Fe2O3, the prodücts will be Al2O3 and iron. What…

A: Limiting reagent: In a chemical reaction, the reagent that totally consumed is known as a limiting…

Q: A 12.5 g sample of a hydrate of calcium chloride is found to contain 3.06 g of water. What is the…

A: Given: The mass of hydrated calcium chloride = 12.5 g The mass of water = 3.06 g Thus, the mass of…

Q: An unknown sample with a total mass of 440.85 g contains carbon, hydrogen, and oxygen.  If the…

A: Given: The total mass of the unknown sample = 440.85 g The mass of carbon = 300.25 g The mass of…

Q: A 12.5g sample of a hydrate of calcium chloride is found to contain 3.06 g of water. what is the…

A: We have to predict the formula for Calcium hydrate.

Q: A sample of a compound containing only S and Cl contains 2.72g S and 6.04g Cl.  Another sample of…

A: A sample of a compound containing only S and Cl contains 2.72g S and 6.04g Cl. Another sample of the…

Q: How many grams of lithium will combine with 24.0 g of sulfur to form the compound LizS?

A:

Q: Given these masses of elements found in a sample of a compound: 15.27 grams Ca, 4.57 grams C, and…

A: Given data :

Q: Suppose you have a sample of sodium weighing 11.50 g. How many atoms of sodium are present in the…

A: Information of question ,

Q: 25. A sample of a compound contains 9.49g silver and 3.12g chlorine. A second sample of the compound…

A: Given: 1) A sample of a compound contains Silver with mass = 9.49 g 2) A sample of a compound…

Q: For 2.634 g of a compound containing only copper and oxygen, CuxOy, a student found that it…

A: We have to calculate the moles of oxygen.