EF and MF

Q: Find the molecular formula of a compound that contains 30.45% nitrogen and 69.55% oxygen. The molar…

A: Molecular formula of the constituent elements is written as chemical symbol of elements. The number…

Q: A binary covalent compound contains 78.3% baron and the rest is hydrogen. Its molar mass is…

A: We have  Percentage of Boron (B)=78.3% Percentage of Hydrogen (H)=100-78.3=21.7% Atomic mass of…

Q: A sample of a compound with a molar mass of 34.00 g is found to consist of 0.44 g H and 6.92 g O.…

A: Given: Molar mass of compound=34 g Mass of hydrogen=0.44 g Mass of oxygen=6.92 g

Q: many molecules were used

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Q: which contains the larger numbers of molecules 25.0 g HCI or 85.0 g C6H12O6

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Q: A student recorded that 61.64 g of carbon dioxide and 28.39 g of water were produced after the…

A: Here we are required to find the molecular formula of the compound.

Q: Cation Anion Formula Mn²+ F™ Molar mass of ion g/mol g/mol X X Number of ions mol mol = = 11 Molar…

A: Manganese (II) Fluoride = MnF2 MnF2 -----> Mn2+ + 2F- Above ionic compound containing one…

Q: If you combine 44 g each of Na2S and FeCl2 what mass of FeS is produced?

A: Given:Mass of Na2S = 44 gMass of  FeCl2 = 44gMass of FeS produced=?The balanced chemical equation:

Q: How many particlcs arc there in 1.43 grams of a molccular compound with a molar mass of 233 g/mol?

A: Given data contains, Mass of molecular compound is 1.43 grams. Molar mass of the compound is 233…

Q: Calculate the moles of Cl in 25.0 g of XYCl3 if the compound XYCl3 has a molar mass of 119.38 g/mol.

A: The above given molecule is a chlorine containing compound. As per the given formula the given…

Q: What amount (moles) of compound is present in 3.60 g of each of the following compounds? a. b.…

A: Number of moles is calculated by dividing given mass with molecular mass. In the given  question, it…

Q: Classify each chemical compound: compound KCI Br₂0 HCIO3 type of compound ionic Oionic O ionic X O…

A: Ionc compound - ionic compounds are formed by complete transfer of electrons  e. g. NaCl, KCl, etc…

Q: A compound contains 24.3% C, 4.1% H, and 71.6% Cl by mass, and has a molar mass of 99 g/mol. What is…

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Q: One ounce of dark chocolate contains 0.25g theobromine, a compound related to caffeine. Calculate…

A: The formula for theobromine is C7H8N4O2. Molar mass of C = 12g/mol Molar mass of H = 1g/mol Molar…

Q: 1) How many atoms does each molecule of H,SO, has? A) 8 B) 6 C) 7 2) A compound of carbon and…

A: we have to tell which option is correct from given choices of options by telling  number of atoms in…

Q: How many carbon atoms are present in a 13.5 g sample of this compound? A compound is composed of…

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Q: Compound X has a molar mass of 104.01 g mol and the following composition: element nitrogen fluorine…

A: Molar mass = 104.01 g/mol Molecular Formula of X = ?

Q: Cobalt (III) fluoride is reacted with sulfur tetrafluoride to form sulfur hexafluoride and cobalt…

A: Given  Mass of sulfur hexafluoride = 24.94 gram  Amount of Cobalt (III) Fluoride = ?

Q: 1.50 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Step 1: Step 2: Step 3: Step 4:

Q: You are given a 10.0 grams sample of ethanol (CH3CH2OH).   Explain how you can use the molar mass of…

A: The Avogadro’s number of any species is defined by a mole. The Avogadro’s number, NA, is equal to…

Q: From the given molar mass and empirical formula of several compounds, find the molecular formula of…

A: Given  empirical formula = C4H9  molar mass = 114.17 g/mol

Q: A 5.31 g sample of compound that contains only hydrogen and sulfur was combusted, and yielded 10.0 g…

A: Moles of hydrogen and sulfur from 10.0g of SO2 and 2.81g of H2O can be calculated as

Q: What is the amount, in moles, of each of the following substances?

A: Moles of the substance can be calculated by using the formula given below as; Moles = Given…

Q: The molar mass and empirical formula of several compounds listed. Find the molecular formula of…

A: Empirical formula refers to the formula of a compound in which the elements are present in the…

Q: osmium by mass. a) If you assume 100.0 g of the compound, what is the mass in grams of osmium that…

A: Since you have posted a question with multiple sub- parts, we will solve first three sub- parts for…

Q: Be sure to answer all parts. The interhalogen compound CIF3 reacts with NH3 to produce three…

A: Molar mass of HF = 20.01 g/mol  Molar mass of N2= 14.01 g/mol  Molar mass of Cl2 = 70.9 g/mol

Q: A compound has a molar mass of 38.41 g/mol.  If a sample of this compound is 246.1 g, how many mol…

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Q: Please provide all the work in detail because I will be using this to study

A: Consider the mass of compound is one gram.  The percent of each element is converted to grams as,

Q: PLs help me solve the given question, explain it, make sure its correct pls thanks

A: Given:…

Q: ure to K (Ke vin). (Use the 3 atoms of alu ninum weigh

A: Both the Fahrenheit and Kelvin are units of temperature, Kelvin is SI unit of temperature.

Q: An experiment requires that enough PNCl2 be used to yield 10.3 g of chlorine. How much PNCl2 must be…

A: Answer: 16.84 g

Q: Element Atomic Weight (g/mol) Percent Composition Ni 58.6934 36.3% Fe 55.845 17.3% As 74.9216 46.4%…

A: The percentage composition of each element in the compound is given as, Assuming 100 g of the…

Q: Lindane is a toxic insecticide that causes dizziness and diarrhea in humans. Find the molecular…

A: Given  C     = 24.78 % H    =  2.08 %  Cl    = 73.14 % Molar mass of molecular formula = 290…

Q: The empirical formula and molar mass of several compounds listed. Find the molecular formula of each…

A: Empirical formula refers to the formula of a compound in which the elements are present in the…

Q: Find the molecular formula of nicotine, which is 74.1% carbon, 8.6% hydrogen, and 17.3% nitrogen by…

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Q: Use compound formulas to determine element composition. A sample of pentanol, C5H120, contains 1.69…

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Q: Determine the number of gold (Au) atoms present in 8.41μg of Au3PO4. 2.21 x 1022 atoms 7.38 x 1015…

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Q: 84.0 g Ta to mol

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: The distinctive taste of vanilla arises from an organic compound composed of only carbon, hydrogen,…

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