4. The empirical formula of a compound is CH20. What could its molecular formula be? hat could its molecular formula be 5. The empirical formula of a compound is C.H0.

Q: 2- Calculate the empirical fomula of the compound composed of 38.67 % C, 16.22 % H, and 45.11 %N by…

A: To calculate the empirical formula we have to calculate the number of mole of each elements in the…

Q: A250 mg sample of a compound containing carbon hydrogen, and oxygen underwent combustion producing…

A: Since you have posted multiple questions, we are entitled to answer the first only. a) Given: mass…

Q: i. How many atoms of oxygen are in 8.1 g CO,? j. How many atoms of hydrogen are in 5.0 g NH3?

A:

Q: 3.135 A certain metal M forms a bromide containing 53.79percent Br by mass. What is the chemical…

A: Let the mass of the compound be 100 g. Then the mass of the Br is 53.79. Calculate the mass of the…

Q: Boron has two naturally occurring isotopes, ¹⁰B (19.9%)and ¹¹B (80.1%). Although the B₂ molecule…

A:

Q: An ingredient of Tiger Balm salve is composed of C, H and O.  A 0.1005 g sample of the ingredient is…

A: Given :  Weight of sample = 0.1005 g  Weight of CO2 produced = 0.2829 g  Weight of H2O produced =…

Q: wnat is the empiracle formula og Compound that is 62.07. C, 10.47 and 27.5%. 0 by mass ?

A: C = 62.0 % H = 10.4 %  O = 27.5 %

Q: A 3.000 g sample of a gaseous compound was found to contain 2.560 g of carbon and  0.440 g of…

A: To answer this first of all we have to convert grams into moles and we have to determine the simple…

Q: A typical engagement ring might have a diamond made of pure carbon, weighing 0.12 grams. How many…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: A tube of toothpaste contains 0.76 g of sodium monofluorophosphate (Na2PO3F) in 100 mL.(a) What mass…

A:

Q: 3.110 The aluminum sulfate hydrate [Al2(SO4)3 ⋅ xH2O] contains8.10 percent Al by mass. Calculate x,…

A: Given: Al2(SO4)3.xH2O (100 g) contains Al by mass = 8.10 g Also, Moles of Al in Al2(SO4)3.xH2O = 2…

Q: 2. a) How is the mass of one mole of a substance determined? b) How do you determine the number of…

A: Answer of the question given below,

Q: A tube of toothpaste contains 0.76 g of sodium monofluorophosphate (Na2PO3F) in 100 mL. 1. What mass…

A: Given : Mass of sodium monofluorophosphate i.e Na2PO3F = 0.76 g

Q: Šome of the formulas could be either molecular or empirical formulas; however, some can only be…

A:

Q: Which one of the following statements about the compound C3H4 is CORRECT? Oa. Five molecules of C3H4…

A:

Q: 1- A Sample of a compound containing only carbon, chlorine, and fluorine was analyzed and found to…

A: Given: Mass of carbon = 0.323g Mass of Cl = 2.38g Mass of F=0.255g We know that Molar mass of…

Q: A sample of C3H8C3H8 has 8.88×1024 H8.88×1024 H atoms. (1) How many carbon atoms does the sample…

A: We have given the sample that contain 8.88×1024 H atoms.   1 Mole of  C3H8≡  3 Mole of Carbon   and…

Q: hat is the empirical formula of a) HC₂H₃O₂? b)a compound that contains only iron and oxygen and is…

A: Empirical formula  of a chemical compound is simplest  ratio  of positive  integer ratio of atoms…

Q: I polht /hat is the empirical formula for a compound that is 38.63% carbon, 40.77% fluorine, and…

A: 100 grams of it would contain  38.63/12=3.21 gram-atoms of carbon, 20.60/16= 1.28 gram-atoms of…

Q: 2. A 13.07g sample of an unknown compound is composed of 9.48 g of barium, 1.66g of carbon and 1.93…

A: Empirical formula of a compound is denoted by the proportion of numbers of atoms present in the…

Q: A 3.87g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 5.30x1022 N2O…

A: a) 1 molecule of N2O contains 2 nitrogen atoms, Hence, 5.30 ×1022 N N2O molecules will contain…

Q: 42. Ethanol (C2H50H), a domestically produced fuel source, is often blended with gasoline. A sample…

A: Given mass of Ethanol (C2H5OH) = 45.6g To determine the number of carbon,hydrogen and oxygen atoms…

Q: 1. What is the molecular formula if the empirical formula is C2Hs and the molecular molar mass is…

A:

Q: what’s the molecular formula?

A:

Q: A 0.652 g sample of a compound is found to contain 0.579 g of Cu and 0.0730 g of O. Which of the…

A:

Q: 212.01) el1.008) Fo-4lo. Potassium manganate is a dark green, crystalline substance whose…

A: The given data contains,       potassium =39.6%      manganese =27.9%      oxygen =32.5%

Q: This is CCl4 with a molecular weight of 119. On a mass basis what percent of the material is…

A: The molecular weight of CHCl3 is 119.38 gmol-1 and that of CCl4 is 153.82 gmol-1 .

Q: 5. Which statement is NOT true? a. One mole of a substance contains a fixed number of particles. b.…

A:

Q: A student weighs a sample of carbon on a balance that is accurate to 0.001 g. (a) How many atoms…

A: The mass of carbon (C) is 0.001 g and the molar mass is 12.01 g. The no of moles of C are:  n = 0.01…

Q: How many carbon atoms are there in 180 g of propanol (C3H8O).

A: Given mass of propanol

Q: The formula of glucose is C6 H12 O6. a. The number of molecules in 166 grams of glucose would be…

A:

Q: The carat is the unit of mass used by jewelers, and it is exactly 200 mg. How many carbon atoms are…

A:

Q: How many molecules of ethanol (C2H5OH) (the alcohol in alcoholic beverages) are present in 145 mL of…

A: In order to calculate number of molecules of ethanol, first we have to calculate the number of moles…

Q: 1. Vitamin C has the formula C,H,Og. Calculate the number of vitamin C molecules present in a 0.250…

A: 2.) We are having 0.1 g of caffeine (C8H10N4O2) Molar mass of caffeine  = 194.2 g/mol

Q: 28. What is the empirical formula of a compound that is 3.05% carbon, 0.26% hydrogen, and 96.69%…

A: The correct option is D. Explanation: We know empirical formula is the proportion of element present…

Q: Glucose is an important biological molecule with the molecular formula CH O. What is its empirical…

A:

Q: Chlorophyll molecules are responsible for the green pigmentation of plants. Differing chemically…

A: Solution - According to the question - Given - Mass of 5 oxygen = 16 * 5 = 80 Mass of chlorophyll X…

Q: The molecular formula of hexakis(methylthio)benzene is C12H18S6. What is the percentage (by mass) of…

A: We have to calculate the % by mass of C in hexakis(methylthio)benzene .

Q: (d)Using the formula Mn(ClO₄)₄ (MM = 452.74), what is the percent by mass of Cl in the compound?…

A: Number of moles = mass / molar mass  % by mass =( mass of Cl atoms in Mn(ClO4)4 / mass of 1 mol of…

Q: A sample of glucose, C6H12O6, contains 1.250 * 1021 carbonatoms. (a) How many atoms of hydrogen does…

A: 1 molecule of glucose contains 6 atoms of C, 12 atoms of H and 6 atoms of O.  Molar mass of glucose…

Q: Q2- A) Calculate the number of moles in 200 grams of sodium tungstate (NazWO4) ? B) Calculate the…

A:

Q: Ibuprofen, the anti inflamatory ingredient in Advil has the formula C13H18O2 A) How many molecules…

A: We have to predict the molecules  , number of H atoms, mole of ibuprofen, mass of ibuprofen.

Q: Dichlorobenzene has a molecular formula of C6H4Cl2 (MW=147.00 g/mole).      What mass of…

A: Given, dichlorobenzene 1.81x1024 total atoms

Q: 1. (a) 5.00g of caffeine is found to contain 2.47g of carbon, 0.26g of hydrogen, 1.44g of nitrogen…

A: Given: The mass of carbon=2.47 g. The mass of hydrogen=0.26 g. The mass of nitrogen=1.44 g. The mass…

Q: What is the mass percent of chlorine in NH4Cl?

A: First, find the total mass of NH4Cl.NH4Cl = 54g/mol

Q: ? + {H → 15 ← Oci 8 GT 8 15N+?

A:

Q: <p>Two substances have the same molecular and empirical formulas. Does this mean that they…

A: A molecular formula uses chemical symbols and subscripts to indicate the exact numbers of different…

Q: How many molecules of ethanol (C2H5OH) (the alcohol in alcoholic beverages) are present in 145 mL of…

A: In order to calculate number of molecules of ethanol, first we have to calculate the number of moles…

Q: 1) How many moles are there in 178.66 g of Hexane (C6H14)?   2) Number of atoms of C in 14 moles…

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

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.