What is the % composition of Oxygen in Ammonium sulfate, (NH₄)₂SO₄ ?

Q: determine the composition of  the following compounds: MgCl2,SiO2,(NH4)2S?

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Q: What is the molar mass (g/mole) of cream of tartar (KHC4H4O6)?

A: The chemical formula of cream of tartar is KC4H5O6. To determine its molar mass, need to add the…

Q: What is the percent composition of oxygen in AuSO4?

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Q: acrylic acid used in the manufacture of acrylic plastics has the composition 50.%C 5.6%H and 44.4%O…

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Q: How many hydrogen atoms are in 0.1488 g of phosphoric acid, H.PO.?

A: One mole of H3PO4 = 6.022 × 2023 formula…

Q: What is the molar mass of Ba(NO3)2?

A: Molar mass of any compound is given by  Molar mass = sum of Atomic mass of each atom present in the…

Q: Ibuprofen, an aspirin substitute, has a mass percent composition of 75.69% C, 8.80% H, and 15.51% O.…

A: Given,Mass percent composition of 75.69% C, 8.80% H, and 15.51% O.Molar mass of carbon =…

Q: What is the percent composition of phosphoric acid ( H 3 P O 4 )?

A: Mass percentage of H = mass contribution of H in a molecule of H3PO4 ×100molecular mass of H3PO4…

Q: What is the percent composition of Magnesium in Mg(OH)2?

A: From the Percent composition we can find what percent of each element is present in a compound.  It…

Q: What mass of dinitrogen monoxide N2O, contains the same number of molecules as 3.00 g of…

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Q: 3. What is the percent composition of a compound that has the empirical formula of C,H,NO? If the…

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Q: 4. Calculate the percent composition by mass of all the elements in urea, (NH2)2CO.

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Q: What is the Percent composition of each element in the compound Ca3(PO4)2?

A: The percentage composition of the elements can be calculated as,

Q: What is the percentage composition of all the atoms in Mg(ClO2)2 (Magnesium Chlorite)?

A: Given, The percentage composition of all the atoms in Mg(ClO2)2 (Magnesium Chlorite) is:

Q: What is the percent mass of nitrogen in HNC(NH2)2?

A: The molar mass of N = 14 g/molThe molar mass of C = 12 g/molThe molar mass of H = 1 g/molThe molar…

Q: What is the percent composition by mass of Cu3(PO4)2

A: The percent composition by mass can be calculated as, Percent composition by mass=Molar mass of…

Q: What is the percent composition of nitrogen in (NH4)2CO3?

A: Percent composition of N = (mass of N in (NH4)2CO3/mass of (NH4)2CO3) × 100%

Q: The metal, Pellissippium (Pe), has a molar mass of 65.01 g/mol. What is the mass of 2.300 moles of…

A: The mass of metal, Pellissippium (Pe) has a molar mass = 65.01 g/mol. The chemical formula of…

Q: What is the empirical formula of a compound with the following composition: 24.78% C, 1.05% H, and…

A: Empirical formula can be calculated by these steps dividing mass percent with molar mass to get…

Q: What is the mass percent of chromium in Fe2(CrO4)3, which has a molar mass if 460 g/mol

A: Mass percent is the mass of the element or solute divided by the mass of the compound or solute. The…

Q: What is the percentage by mass of sulfur in Iron (III) sulfide, Fe2S3

A: The mass percentage is the method of expressing the concentration of an element in a particular…

Q: Titanium(IV) oxide is heated in hydrogen gas to give water and a new titanium oxide, TixOy . If…

A: Given:Mass of TiO2 = 1.598 g.Mass of TixOy = 1.438 g.

Q: The active ingredient in a common treatment for upset stomach is sodium bicarbonate, NaHCO3.…

A: Calculate the percent, by mass, of carbon in sodium bicarbonate.

Q: How many atoms of hydrogen are in 132 g of (NH4)2HPO4?

A: Given: 132g of (NH4)2HPO4 The given grams of (NH4)2HPO4 is converted into moles as follows,

Q: What is the empirical formula of a hydrocarbon that is 79.89% by mass carbon?

A: Hydrocarbons are the compound in which carbon and hydrogen are bonded together by covalent bond.…

Q: Indigo, the dye for blue jeans, has the following percent composition and molar mass,…

A: To determine the molecular formula, we have to first determine the number of moles of each component…

Q: The element X forms the chloride containing 75.0% Cl, by mass. What is element X?

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Q: Adipic acid is an organic compound composed of 49.31% C, 43.79% O, and the rest hydrogen. If the…

A: To determine the empirical formula and molecular formulas of a compound, we need to follow certain…

Q: 3. What is the mass in grams of 0.0435 moles of alcohol (C,H;OH)?

A: Molar mass = 2 • ( molar atomic mass C ) + 6 • ( molar atomic mass of H ) + ( molar atomic mass of O…

Q: Calculate the molar mass of CuSO4 • 5H2O.

A: The molar mass of each atom in copper sulfate pentahydrate is

Q: How many moles is 83.7 g calcium carbonate, CaCO3 ?

A: Given Mass of Calcium carbonate is 83.7g We have to determine moles in 83.7g of Calcium carbonate.…

Q: what is the Molar mass of H2C2O4·2H2O

A: The given compound is H2C2O4.2H2O The elements present in the given compound are H, C and O. The…

Q: What is the percent by mass of chlorine in Ca(ClO 3 ) 2

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Q: What is the percent composition of oxygen in sodium nitrite (NaNO2, 69.00 g/mol)?

A: The percentage composition of oxygen can be calculated by using formula Percentage composition =…

Q: Calculate the percent composition by mass of all the elements in urea, (NH2)2CO.

A: Given compound : urea = (NH2)2CO Molar mass of N = 14.007  Molar mass of H = 1.008  Molar mass of C…

Q: Determine the percent composition of potassium dichromate, K2Cr2O7.

A: Given molecule : K2Cr2O7

Q: Ethylenediaminetetraacetic acid (EDTA) is a chemical that binds metals such as lead, to treat lead…

A: EDTA is Ethylenediaminetetraacetic acid whose chemical formula is (C10H16N2O8)  Number of carbon…

Q: Calculate the molar mass of Ca(BO2)2·6H2O

A: Molar mass of a compound is defined as the mass of one mole of that substance in grams. The units of…

Q: What is the percent composition by mass of carbon in the chloroform CHCl 3 ?

A: Given: compound: CHCl3 molar mass of C = 12.01 amu molar mass of CHCl3 = 119.37 amu

Q: What is the molar mass for the compound Orchidium Nitrate - Or(NO3)2? Orchidium has an average…

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Q: If you weigh out 0.133 g of CuSO4 x 5H2O, how many moles of Cu2+ is that?

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Q: 1.Ibuprofen is a compound used in painkillers. When a 2.174 g sample is burned in an excess of…

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Q: Calculate the number of moles of CaCl2 in 5.0 g of calcium chloride.

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Q: A laboratory analysis of vanillin, the flavoring agent in vanilla, determined the mass percent…

A: An empirical formula is a type of chemical formula that expresses the proportion of elements in a…

Q: How many molecules of C5H8 would you have if you have 6.19 mol?

A: Given values, Moles of C5H8 = 6.19 mol

Q: what is the molar mass of CuSO4 X 5 H2O?

A: Molar mass = sum of ( Atomic mass X number of Atoms ) in 1 molecule Since in CuSO4 X 5 H2O we have…

Q: What is the percent composition by mass in C6H12O6?

A: The compound given is C6H12O6. Assuming 1 mole of C6H12O6.

Q: What is the percent composition of iron in the compound Fe2O3?

A: Since we know that precent composition of any element in a compound is calculated as  Percent…

Q: What is the percent composition by mass of the hydrogen in (NH4)2 HPO4?

A: Given  Formula = ( NH4)2HPO4 percent composition of Hydrogen = ? Molar mass of (NH4)2HPO4  = 2 × (…

Q: Calculate the percent composition by mass of calcium in Ca(NO3)2

A: The molar mass of calcium nitrate can be calculated as follows-