Measurements show that unknown compound X has the following composition: element chlorine 0 oxygen Write the empirical chemical formula of X. Explanation mass % 38.7% 61.2% Check TANC F2 00 X 80 F3 S 888 F4 F5 MacBook Air ww F6 F7 DII FB FO F10 ? F11 O Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility olo Ar 8

Q: A 2.611 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis…

A: Mass of Organic Compound = 2.611 gMass of CO2 = 6.751 gMolar mass of CO2 = 44 /moleNo of moles of…

Q: How many moles of hydrogen are in 3.06 x 103g of glycine , C,H¸NO,? 2

A: Given: Mass of glycine, C2H5NO2 = 3.06×10-3 g Molar mass of C2H5NO2 = 75.07 g/mol

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: Can you please help me with 5

A: Molar mass= sum of atomic weight of elements in the compound.

Q: A compound contained 4.6g Na, 2.8g N, 9.6g O. Find the empirical formula. (RAM data Na = 22.99, N =…

A: In empirical formula problem first we determine mole ratio of given atom

Q: Consider the following made-up compound: (Z3J)2Q3 Determine the number of moles of Z in 1.75 moles…

A: Given -> Mole of (Z3J)2Q3 = 1.75 mole

Q: Determine the number of each lon present In the glven compound. LI3N LIt: 1 Ca(CN)2 Ca*: (Click to…

A: Given  Compound  = Li3N , Ca(CN)2  , Fe2(SO4)3 ,Sr(ClO3)2 , ( NH4 )3PO3 Number of ions  = ?

Q: A student solved the following question incorrectly: How many NO2 molecules are there in 72.0 g NO2…

A:

Q: Question 31 ✔ Saved A chemical is found to be 80.0 % C and 20.0 % H. If the molar mass of this…

A: Solution- To determine the molecular formula of the compound:we need to first determine its…

Q: The molecular formula of benzene is CH. What is the empirical formula of benzene? Select the correct…

A: empirical formula of a compound gives the simplest ratio of the number of different atoms present,…

Q: An analytical chemist measures the amount of Elements E, and E₂ in four samples of an unknown…

A: Given:X = 10.0 gSampleMass of E1Mass of E2112.2 g13.8 g212.5 g14.4 g36.1 g6.9 g411.7 g13.3 gFind out…

Q: (a) In the certain hydrated salt MSO3-4H20, the mass percentage of H20 is 44.71%. Identify the…

A:

Q: Decide whether each pair of elements in the table below will form an lonic compound. If they will,…

A: The bond between two ions formed by the complete transfer of electrons is known as an ionic bond.…

Q: Identify composition of the substance with each formula as one of the four: molecular, ionic,…

A: The ionic bond is an electrostatic attraction force, formed between the ions and it is a strong…

Q: Calculate the molar masses of the following chemicals:

A: Molar mass is the mass of 1 mol of a compound. Molar mass can be calculated by adding the mass of…

Q: 6. CCl,F2 7. Mg (OH) 2 8. UF6

A:

Q: What is the empirical formula of C18H1406N12? Li Be Na Mg Rb Sr Fr Ba La C₂H₂O₂N₂ F Sc Ti Periodic…

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements…

Q: 3. What is the difference between an empirical formula and a molecular formula?

A: If the percent composition of the elements are known then the empirical formula can be determined.…

Q: How many atoms of sulfur are in a 2.500 mole sample of pure sulfur? * 1.505 x 1024 5.69 x 10-24 110.…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: 4. Sulfuric acid (H;SO4) 5. Ethene (CHa )

A: Formula mass of the following compounds are: 1. Sulfuric acid ( H2SO4 ) : 1×2 + 32 + 16×4 = 98 g

Q: This question will walk you through the process of calculating the number of atoms present in a…

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Q: how many hydrogen atoms are in 0.1488g of phosphoric acid, H3PO4?

A: Given, amount of H3PO4 =0.1488 gramwe are asked to calculate the number of atoms of hydrogen in the…

Q: Calculate the molar masses of the following chemicals: 6. CCl,F2 7. Mg (OH) 2 8. UF6 1. Cl2 2. КОН…

A:

Q: What is the empirical formula of a compound that contains 71.9% carbon, 12.1% hydrogen and 16.0%…

A: Given : C = 71.9%              H = 12.1%              O = 16.0%

Q: 4. FeCl3

A: Molar Mass of compound is the sum of mass of all the atoms present in a compound

Q: Calculate the mass percent composition of lithium in Li3PO4. O 30.72% O 17.98% 26.75% 20.82% 55.27%

A: Mass % of Li in Li3PO4 ?

Q: Using dimensional analysis, convert 5.7 moles of Fluorine into atoms. (1 mol = 6.02 x 1023). Round…

A: We know that, 1 mole = 6.02 x 10^23 atoms So, Number of atom = Number of miles x ( 6.02 x 10^23)

Q: 5.The chemical composition of an unknown compound revealed that it had 49.47% C; 5.20%H; 28.84% N;…

A: Given that: mass % of C = 49.47 % mass % of H = 5.20 % mass % of N = 28.84 % mass % of  O = 16.48 %…

Q: How did u get 2.303? I don't understand how you came up with that number and can you plz type the…

A: For first order rxn , ln[A] - ln[Ao] = -kt  ln[Ao ] - ln[A] =   kt  ln ( [Ao ] / [A] ) =…

Q: - Part A If Avogadro's number of pennies is divided equally among the 276 million men, women, and…

A: We know that, Avogadro's number of pennies = 6.022 x 1023 pennies. Convert these pennies into…

Q: Calculate the molar masses of the following chemicals: 11. (NH4)2SO4 6. CCI2F2 7. Mg (OH) 2 8. UF6…

A: The molar mass of KOH  is calculated from the molar mass of elements. The First Molar Mass of…

Q: Fulminating silver is the historic name for compounds that contain silver and which explode…

A:

Q: Instru Determine the formula mass/ following compound: 1. Ammonia ( NHa ) 2. Glucose (CoH1206) 3.…

A:

Q: Calculate the molar masses of the following chemicals:

A: Since we know that molar mass is defined as the mass in grams of one mole of a substance. It is…

Q: having a hard time with match the formula am i correct can some explain whatbi dis wrong if i was…

A:

Q: How many atoms of Na are in 45.0 g of Na2CO3  ( Na2CO3 = 105.99 g/mol) Your answer should be…

A: In this question, first of all number of moles of Na2CO3 is determined and then with the help of…

Q: Question 1 options: A. The Mole We will use the analogy of an elephant and its body parts to…

A: One carbon tetrachloride, CCl4 molecule has one carbon C atom and four chlorine Cl atoms .We have…

Q: 1. How many ATOMS of carbon are present in 7.87 grams of carbon tetrabromide, CBR4? atoms of carbon

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

Q: Which compounds could be represented by the empirical formula CH2 ? Select one or more: O C2H4 O…

A: Here we have to find out the compounds given  below which have  empirical formula CH2.

Q: an unknown copper sample has a 37.2% Copper, what is the most likely identity of the sample?

A:

Q: 4 A compound is 64.9% carbon, 13.5% hydrogen and 21.6% oxygen. Its molecuia mass is 74 g/mol. What…

A:

Q: 23 - Determine the molecular fomula of a compound that has a molar mass of 183 g/mol and an…

A: This question is straight forward We know that molecular formula is whole number multiple of…

Q: Fictional, not on PT. I found a family of compounds that contain only A, X and Z elements in…

A: Empirical formula gives the idea about the simplest as well as whole number ratio of individual…

Q: From the following figure. Find the formula of compound O-M x-N

A: From the figure = M atoms are present = 1. at the 8 corners of cube. 2. 4 of the opposite faces of…

Q: 4.76 pm is O4.76X106 O4.76X103 O4.76X106 O4.76X10+6 μm

A: 1 pico meter (pm)= 10-12 m1 m = 106 micro meters ()1 pm = 10-6 mconvert 4.76 pm to

Q: Calculate the molar masses of the following chemicals:

A:

Q: This is the chemical formula for zinc bromate: Zn (BrO3), Calculate the mass percent of bromine in…

A: Given, Chemical formula for zinc bromate: Zn(BrO3)2 Mass percent of Bromine in zinc bromate = ? %…

Q: How many grams of nitrogen atoms are present in a sample of N4Og if there are 4.893 grams of oxygen…

A: Given, mass of oxygen atoms = 4.893 grams Molar mass of oxygen = 16.00 g/mol

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.