25 a compound has empirical formula of CH4O2 and a molar mass of 144 g/mol. What is its ?molecular formula

Q: An oxide of iron is 72.36% iron by mass; the rest is oxygen. Enter the empirical formula of this…

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

Q: СаСОз + H3PO4 Ca3(PO4)2 + CO2 +_ H,O - - - REACTANTS PRODUCTS Element Symbol How Many? Element…

A: Answer

Q: Narceine is a narcotic in opium that crystallizes from solution as a hydrate that contains 10.8 mass…

A: Given : Mass percentage of water = 10.8% Molar mass of nicotine = 499.52 g/mol

Q: A 2.45g sample of strontium completley reacts with oxygen to from 2.89g of strontium oxide. What is…

A: Mass of Sr = 2.45 g  Mass of Strontium oxide = 2.89 g  Mass % =?

Q: A muffin recipe calls for cream of tartar, or potassium hydrogen tartrate, KHC4H4O6(s). The amount…

A:

Q: A compound of found to contain 14.87% phosphorus and 85.13% chlorine by mass. What is the empirical…

A: To get the empirical formula we need to consider moles of each elements present. Then calculate the…

Q: How many formula units of CaCO3 are contained in 350. g CaCO3?

A: The given data contains, mass of CaCO3 = 350 g

Q: Citric acid (right) is concentrated in citrus fruits and plays a central metabolic role in nearly…

A: the molecular formula of the citric acid is C6H8O7. Molar Mass = 192.12 g/mol

Q: From the following, pick those that are empirical forme

A: Simplest whole number ratio of constituent elements in a compound is called empirical formula…

Q: WE GE T THERE? many moles of electrons are required mol e-

A: As we know,   Charge of 1 mol electrons = 96500 C Mol of Ni = 8.3×10-2 mol Balanced chemical…

Q: A pure compound containing only rhodium and bromine has the mass percent composition 24.36 % Rh and…

A: Interpretation: A pure compound containing only rhodium and bromine has the mass percent composition…

Q: 16 A sample of 24.54g this sample has a molar mass of 980,24 gold sulfide was found to contain of…

A: Molecular formulas tell you how many atoms of each element are in a compound, and empirical formulas…

Q: Dichloroethane, a compound that is often used for dry cleaning, contains carbon, hydrogen, and…

A:

Q: A COmpound contains only C of the compound produces 33 is the empirical fo

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: mercury (I) iodide --> write formula no blanacing

A: Mercury(I) iodide is a chemical compound of mercury and iodine.

Q: a) Determine molecules of C5H5N in 16.00 g of C5H5N (molar mass = 79.11g/mol). b) Explain how the…

A: a) Given : Mass of C5H5N = 16.00 g And molar mass of C5H5N = 79.11 g/mol.

Q: A hydrocarbon molecule contains twice as many hydrogen atoms as carbon atoms. It's molar mass is…

A: Molar mass of hydrogen = 1.00784 g/molMolar mass of carbon = 12.0107 g/mol

Q: 3) What kind of formular is C,H,O2 consider as? A) Empirical formula B) Moleculr formula C)…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first question…

Q: If you measure out 44.0 grams of KCL, how many moles of KCl are present when the formula mass is…

A: given: mass of KCl = 44.0 grams molar mass of KCl = 74.55 g/mol we need to find out the moles of KCl…

Q: Hydrogen gas, oxygen gas, and water vapor are collected in eudiometer. The eudiometer contains…

A: a) Moles of H2(9) =0.00206 g2 gmol=0.00103 molb) Moles of O2(9) =0.0811 g32 gmol= 0.00253 molc)…

Q: Ascorbic acid (CH,O,) is also known as Vitamin C. What quantity in molecules of CH,O, does a Vitamin…

A: Given: Mass of C6H8O6 = 1025 mg Or mass of C6H8O6 = 1025 ×10-3 g And we know that the molar mass of…

Q: What is the empirical formula for this compound?

A: Given :-  Percentage composition of C = 27.29 %  Percentage composition of O = 72.71 %  To determine…

Q: A compound is found to contain 63.65 % nitrogen and 36.35 % oxygen by mass. Answer: The empirical…

A: The simplest ratio of the count of different types of atoms of element which are present in a…

Q: What is the empirical formula of a compound of carbon, hydrogen, and Oxygen that contains 51.56% and…

A: Given:: %C = 51.56%  %H = 14.09 % then, empirical formula = ?

Q: Ammonium sulfate (NH,),SO, is most commonly used as an artificial fertilizer for alkaline soils.…

A: Interpretation -  To determine the number of ammonium ion found in 45.15 × 1023 formula unit of…

Q: 43.5 mol of P010 contains how many moles of P? mol P

A:

Q: 32. How many moles are there in 8.5 x 1025 molecules of CO,? 1.4 X 102 mol 7.1 X 10-2 mol 5.1 X 1049…

A: Please find your solution below : Avogadro's number is a factor that determines the number of units…

Q: How many moles of allicinare present in 5.00 mg of this substance?

A: Allicin is a chemical compound that characteristic smell of garlic. The chemical formula of allicin…

Q: Complete this formula for molar mass of the compound sulfur hexafluoride s- ?g/mol x ?Mol = ?g f-…

A: Ans As we know the molar mass of the formula is equal to the total mass of elements presesnt S    32…

Q: Part D. A 28.50 g sample of a compound of carbon, sulfur, hydrogen, and combusted (burned). 35.25 g…

A:

Q: 17.5 moles of CO2 contain how many atoms of carbon?

A: Given,  Number of moles of CO2 = 17.5 moles 1 mole of CO2 contains 6.023 × 1023 molecules of CO2 .

Q: Given 11.6g of LigPO4. Calculate the following The molar mass of LigPO, in g/mol [Select] Number of…

A: Given: Mass of Li3PO4 = 11.6 g

Q: V 3. How many oxygen atoms are in 2.50 moles of CH0?7 4. Calculate the molar mass of the Pb(CO2),…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A compound is found to contain 43.64 % phosphorus and 56.36 % oxygen by weight. What is the…

A:

Q: molar mass of of K3[Fe(C2O4)3].3H2O

A:

Q: Imagine you wanted to produce 5 moles of H,(g). How many moles of Mg and HCl are needed? Mg(s) +…

A: The given data: The moles of H2 produced = 5 moles To determine = The moles of mg and HCl needed.

Q: N2(g) + 3 H,(g)→2 NH;(g) How many moles of NH, can be formed from 3.0 mol of N, and 6.0 mol of H,?

A: Given reaction is : N2 (g) + 3H2 (g) ---------> 2NH3 (g)  Moles of N2 = 3.0 mole  Moles of H2 =…

Q: Calculate the number of moles molecules in: ct an a) 10 g water b) 10 g ethanol C,H,O c) 10 g of…

A: Formula Used, 1. molesn=given massMolar Mass 2. Molecules = Moles x 6.023 x 1023

Q: Question 40

A: The given molecules are, CaSO4, Al2(SO4)3 and K2SO4

Q: 22) A sample has a molar mass of 143 g/mol, identify the sample. A) ACCI B) AuCI C) AGCI

A: Molar mass of any molecule is given as the sum of the atomic masses od each of the constituent…

Q: A 161 g sample of MnCl₂·nH₂O yields 112 g of the anhydrous compound after heating. Determine n in…

A: A 161 g sample of MnCl2.nH2O yields 112 g of anhydrous compound after heating. We have to determine…

Q: Fillm the name and emprical forla of cachionic compound that could be formed rom the tons n ths…

A: a) The ions given are Pb4+ and S2-.

Q: A sample of ethanol (C2H6O) contains 3.024g of Hydrogen. How many moles of carbon atoms are in the…

A:

Q: Nicotine is a poisonous, addictive compound found in to-bacco. A sample of nicotine contains 6.16…

A: A chiral alkaloid produced by a specific plant family is nicotine.  Given: Moles of carbon = 6.16…

Q: Part C In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol).…

A:

Q: 9) How many molecules of SO, are in 200 g of SO,?

A:

Q: ss in grams of CH:OH (MM = 32.04 g/mol) would nee

A: Molality (m) = moles of solute/maas of solvent(kg) Moles = mass/MM       = w/32.04  Mass of solvent=…

Q: a 15.79g sample of a hydrate of an iron(ii) sulfate compound was heated, without decomposing the…

A: Since the reduction in mass of the compound is due to the mass of water removed  Hence mass of water…

Q: Worksheet: Molecular Formulas and Hydrates 1. What is the molecular formula of the molecule that has…

A: Empirical formula of the compound = CH2Cl Molar Mass of the compound that have Empirical formula…