Name each compound and calculate its formula mass. (a) PtO2 (b) N½O5 (c) Al(CIO3)3 (d) PBr5

Q: What is the formula mass of (NH4)2SO4?

A: Atomic mass of N=14 g/mol Atomic mass of H=1 g/mol Atomic mass of S=32 g/mol Atomic mass of O=16…

Q: what is the precent mass of oxalat in (K3Fe(C2O4)3·3H2O, 491.3 g/mol)?

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Q: Calculate the mass percent of H in B4H9CI. %

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Q: Number of atoms of sulfur in 0.0218 kg of Na2S2O3

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Q: Ibuprofen, C13H18O2, is a covalent compound and the active ingredient in several popular…

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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: A rock is 5.0% by mass fayalite (Fe₂SiO₄), 7.0% by massforsterite (Mg₂SiO₄), and the remainder…

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Q: What is the mass percent O in Cuz(PO4)2?

A: The compound given is Cu3(PO4)2. In the above compound, each molecule is having  1) 3 atoms of Cu 2)…

Q: What is the molecular formula of a compound with the empirical formula CH2CH2 and a formula mass of…

A: Empirical formula of compound=CH2 Mass of empirical formula=1 x atomic mass of C + 2 x atomic mass…

Q: Calculate the formula mass for compound. C4H10

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Q: What is the molecular formula of a compound with the empirical formula NBH4 and a formula mass of…

A: The empirical formula represents the smallest possible whole-number ratio of atoms present in a…

Q: MgSO4•7H2O what is themolar mass g/mol?

A: We can calculate the molar mass of MgSO4•7H2O by adding the mass of all atoms which are present in…

Q: Acetaminophen, C8H9NO2, is a covalent compound and the active ingredient in several popular…

A: The formula of the compound Acetaminophen is C8H9NO2. Hence each molecule of C8H9NO2 contains 1) 8…

Q: Aspartame, C14H18N2O5, a low-calorie sweetener, is about 200 times sweeter than sugar. How many…

A: Avogadro's  number gives the number of atoms, molecules or ions in one mole of the substance and it…

Q: Explain the difference between the terms molecularmass and formula mass. To what type of…

A: The difference between molecular mass and formula mass has to be explained and the type of compound…

Q: A sample of sodium sulfite (N a 2 S O 3 ) has a mass of 2.25 g.a. How many N a + ions are present?b.…

A: Given that mass of Na2SO4 = 2.25g Molar mass of Na2SO4 is given by:     Molar mass of Na2SO4 =…

Q: 1. What is the percent composition of oxygen (O) in a mole of Al2(SO4)3?

A: Percentage composition of an element in a compound is calculated by dividing the mass of the element…

Q: Acetaminophen, an analgesic and antipyreticdrug, has a molecular mass of 151.2 u and a masspercent…

A: Given that:                  Molecular mass of acetaminophen = 151.2 u…

Q: Compound X has a molar mass of 153.05 g mol -1 and the following composition: element mass % carbon…

A: The answer is given as follows  Emperical formula is C3H5cl Molecular formula is C6H10cl2

Q: Write the empirical formula corresponding to Al₂Br₆

A: The empirical formula of a chemical compound is the simplest positive integer ratio of atoms present…

Q: What is the formula mass of CaSO4·½H2O?

A: Given, Formula mass of CaSO4·½H2O = ? Note: Atomic mass of Ca = 40.078 g/mol Atomic mass of S =…

Q: A grain of sand weighs 7.7 × 10−4 g. How many formula units of silicon dioxide, SiO2, are in one…

A: The mass of one formula unit of SiO2 = 60.08 g/mol

Q: Whats the empirical formula of a compound that is 92.3% carbon and 7.7% hydrogen by mass?

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Q: Calculate the mass of 236 molecules of Fe(NO3)3.

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Q: Paris green is a highly toxic emerald green compound with the formula Cu(C2H3O2)2 x 3Cu(AsO2)2. What…

A: Given             The formula of the Paris green

Q: Paris green is a highly toxic emerald green compound with the formula Cu(C2H3O2)2. 3Cu(AsO2)2. What…

A: GivenThe formula of the Paris green

Q: Calculate (to the nearest 0.1 u) the formula mass of these compounds. (a) acetaminophen, C8H9NO2…

A: Formula mass is the sum of all the atomic masses present in that compound. Atomic masses: C = 12 u N…

Q: Calculate the number of grams of xenon in 3.702 g3.702 g of the compound xenon tetrafluoride.

A: mass of XeF4 = 3.702 g standard values molar mass of XeF4 = 207.3 g/mol molar mass of Xe = 131.3…

Q: Calculate the mass percent composition of carbon in carbon containing compound. C2H2

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Q: The mass percent of C in a certain organic compound (C3H8X) is 29.28%. What is the identity of X?

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Q: Calculate the mass percent composition of carbon in carbon containing compound. C2H6

A: The compound given is C2H6  We find the molar mass of the compound:  = 2*12 + 6*1= 24 + 6 = 30 g/mol…

Q: The weed killer “Roundup” has a chemical formula of ( C3H8NO5P) What is its molecular mass?

A: The overall mass of one molecule of a substance is generally known as molecular mass (or molar…

Q: A metal (M) forms a compound with the formula MCl3. If the compound contains 65.57% Cl by mass, what…

A: Let the mass of the compound be 100 g. Mass of chlorine present in the compound = 65.57 g Mass of…

Q: What is the molar mass of the sodium alum salt, KAl(SO4)2 •12H2O?

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Q: Which molecular formula has an exact molecular mass of 86.1096 amu: C6H14, C4H10N2, or C4H6O2?

A: Since the molar mass = sum of Atomic masses of all the atoms present in the molecule And since the…

Q: 2. What is the mass percent of iron in Fe(NO3)3 • 9H2O?

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Q: c) For erythrosine, a food coloring, C20H6L4N22O5, how many hydrogen atoms would be present in the…

A: Since you have posted multiple unrelated questions, we are entitled to answer the first only.

Q: A metal sulfide M2S contains 14.3% of sulfur by mass. What is the identity of the metal in this…

A: mass percentage is one of the unit to express the concentration . mass percentage is calculated y…

Q: What is the empirical formula for C4H10O2? O C₂H5O O CH,O O C₂H4O O CHO2 O CHO

A: Given that, C4H10O2 Change into empirical formula ?

Q: What is the % by mass of Nitrogen (N) in (NH4)3PO3

A: Mass percentage tells about the mass percentage  of that element present in the given Compound. Or…

Q: The compound XCl4 contains 75.0% Cl by mass. What is theelement X?

A: The empirical formula of the compound is XCl4 and the mass percentage of chlorine is given as 75 % .…

Q: If Avogadro's Number(6.022*1023) is taken as 'N' ,then calculate the number of molecules in 54 grams…

A: Molar mass of H2O = 18 gm/ mole  Mass of H2O = 54 gm

Q: Capsaicin, the compound that gives the hot taste to chili peppers, has the formula C18H27NO3.(a)…

A: The molecular formula of capsaicin is C18H27NO3.

Q: What is the molar mass of ammonium phosphate, whose chemical formula is (NH4)3PO4?

A: Molar mass of any compound = atomic mass of all the atoms present in the chemical formula  Since in…

Q: What is the mass percent composition of (NHA257 Give answers in this order: 9%N. 96H, ES

A: The mass percentage composition of an element present in a compound can be found out by dividing the…

Q: 3. Calculate the formula mass of (NH4);AsO4.

A: In ionic compounds like NaCl, K2SO4, etc., the constituent ions are not discrete molecules but ions.…

Q: Calculate the mass percentage of chlorine in trichlorobenzene, C6H3Cl3.

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Q: Calculate the molar mass (g/mol) of the compound, C6H8O6 (vitamin C).

A: Molar mass of carbon is 12g/mol  Molar mass of hydrogen = 1g/mol  Molar mass of Oxygen = 16g/mol

Q: What is the formula weight of the compound Al2(SO4)3*18H2O?

A: To calculate the formula weight of the given compound, Al2(SO4)3*18H2O, we need to know the molar…