(b) 0.74 MM9SO4 lons: O SO,2- O SO2- Sot O Mg2+ O Mg* O4 [cation*] = i [anion] = i M

Q: 3. Н.РО, 4. Al(ОН),

A: Given, 3. H3PO4 4. Al(OH)3      Required,                    Percentage composition of the above…

Q: + 0=C=0 OH 5. O3 then Zn, H30*

A: The starting material for the given reaction can be determined as follows:

Q: Achemeal analysis of compound Calan Oa upot 125o alycn y the commpand Showsh made the mass Cales 100…

A: Given that, a chemical compound has molecular formula CnH2nO2  Percentage mass of oxygen in compound…

Q: The compound benzene contains 92.26% C, the remain is hydrogen and has molar mass of 78 g/mol. what…

A: Molar mass of Benzene = 78 g/mol % of C = 92.26%  Molecular formula of benzene = ?

Q: Your doctor has diagnosed you as being anemic-that is, as having too little iron in your blood. At…

A:

Q: n which of the following compounds is the mass percent for sodium the highest? O Na2CO3 O N2CIO O…

A: Mass percent of an element is the ratio of mass of element to the total mass of the compound…

Q: A metal (M) forms an oxide with the formula MO. If the oxide contains 39.70 % O by mass, what is the…

A: Molar mass of an element is its characteristic property .So to identify the metal, first its molar…

Q: 2. If you have 1.00 grams of N22CO3, how many moles of Na2CO3 is that?

A: Given, mass of Na2 CO3 = 1.0 g Moles of Na2CO3  = ?  Firstly, find Molecular mass of Na2CO3

Q: Mass spec: M = 161 (100%), 163 (33%). Which of the following is %3D a possible molecular formula?…

A: In this mass spectrometry data, we are given two peaks whose intensity ratio is also given . So we…

Q: Calculate (to the nearest 0.1 u) the formula mass of these compounds. (a) azithromycin, C38H72N2O12…

A:

Q: What is the % molecular mass of Iron in Fe2S3?

A: The percent mass of an element in a compound can be calculated by using the following formula:

Q: 6. The compound para-aminobenzoic acid is composed of Carbon (61.32%), Hydrogen (5.14%), Nitrogen…

A: Answer:- Given - total mass of PABA =100g Carbon= 61.32%, Hydrogen= 5.14%, Oxygen=23.33% and…

Q: The molar mass of nicotine C10H14NX is 162 g/mol. What is the value of x?

A:

Q: What 19K, 12 Mg, 13Al elements give with go The formulas of the compounds which are- well shown…

A: potasium is 1st A group member which is stable in +1 oxidation state Mg and Al are 2nd A and 3rd A…

Q: For the compound (Ca(OH)2) or calcium hydroxide, find the per cent composition of the element…

A: Given: The atomic weight of Ca=40 Molecular mass of calcium hydroxide= 1 x 40 + 2 x (1 + 16)=74…

Q: What do the peaks of the mass spec of C6H10 show?

A: The structure of the unknown molecules can be obtained by analyzing their spectroscopical results…

Q: What is the molecular weight of a sample of ferrous sulfide heptahydrate (FeS-7H20)? (Round all…

A: Molecular weight of a compound is the sum of its individual atoms' malar mass.

Q: Give the molecules, atoms, and Ions in .150moles of Fe(OH)2 Fe= 55.45g O= 16.00g H= 1.01 g…

A:

Q: Jsing the general formula for a 1.60), calculate the following: a. The number of hydrogen atoms E b.…

A: By using general formula of cyclo alkane to answer the following questions--

Q: (c) 3.25 M KASO lons: O KAS Dot O AsO, OK O AsO, M (cation]- [anion]-

A: Dissociation of 1 K3AsO4 gives 3K+ and 1 AsO43-: K3AsO4  ------->  3K+  +  AsO43- So, Molarity of…

Q: The molecular formula of a hydrocarbon which has a molecular weight of 84 amu and which contains…

A: Molecular weight = 84 amu  Mass percentage of C = 85.7 %  Molecular formula of a hydrocarbon = ?

Q: Magnesium sulfate (M9SO.) O a. 1 O b. 2 О с. 3 O d. 4

A: Magnesium sulfate is an ionic compound. An ionic compound is made of cation and an anion. Here,…

Q: Calculate the equivalent weight for HI, NH4OH, and Ca3(PO4)2 respectively? (Atomic weight: H = 1, I…

A: Equivalent weight for acid and base can be calculated by using the formula given below as;…

Q: Calculate the percentege mass in KMnO4. [Relative Atomic masses of: K= 39, Mn= 55 and O= 16]

A: Consider the given relative mass of the atoms present in KMnO4 is as follows; K = 39, Mn = 55 and O…

Q: An unknown anhydrous salt has the folowing mass composition 65.95% Ba and 34.05% Cl. Dtermine the…

A: Given information:Percent composition of Ba by mass = 65.95 %Percent composition of Cl by mass =…

Q: what is the mass percent of fluorine in C2Cl4F2 9.323% 11.78% 69.58% 18.65% or 5.893%

A: Mass percent is the mass of  total mass of element divided  by total mass of compound.

Q: How could you prepare 0.5L of 0.1 N Na,COP Knowing that. atomic masses of Na = 23, 0= 16 and C = 12

A: Recall the following expression of Normality      NormalityN=wE×VHere,equivalent weight of…

Q: 6/3 Li ------> 4/2 He + _____________?

A:

Q: Q/ Prepare 0.1 N and 0.1 M of 98% H,SO4 in 250 ml. M.wt of H,SO, = 98 g/mol, and its Specific…

A: Let 100% of the solution of H2SO4 is equivalent to 100 g. Thus, 98% H2SO4 is equivalent to 98 g…

Q: Calculate the exact masses of the ions C5H8O1 and C6H12 1, both of which have a nominal mass of 84.…

A: The organic compounds can be identified by various characterisation techniques. For example, NMR,…

Q: 1) NaOEt, EIOH 2) NH,CI, H,0 (a) (b) (c) (0) co,E! CO,Et (m) EI0,C. (h) (k) Co,.Et Co,Et

A: Oxirene reacts with furan furan carboxylate in the presence of base followed by NH4Cl/H2O to give…

Q: acomPound is comPosed of 54.5070 Oxygen, 4.58% H and 40.92% C by Mass a)if the conmPond has a…

A: Given,  Percentage of C = 40.92%  Percentage of H = 4.58%  And  Percentage of O = 54.50%  a).…

Q: 5- Calculate the mass percent nitrogen in 14 grams of (NHA)2CO3. (molar mass = 96 g/mol, Atomic…

A: Option B is correct.

Q: 6. A 2.250 g sample of a dicarboxylic acid was burned in an excess of oxygen ar yielded 4.548 g CO2…

A:

Q: i) How many moles of hydrogen in FeSO«'6 H;O are present in one 500-mg tablet of Feosol? Iv) How…

A:

Q: The correct name for Ni(CN)5 is

A: ANSWER IS

Q: 6.Calculate the mass percent of H in CH5N.

A: 1- First we will determine the mass of compound :  Molar atomic mass of C, H and N are 12, 1 and 14…

Q: JESTION 8 In the certain hydrated salt MSO3-4H2O, the mass percentage of H2O is 44.71%. Identify the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: 7) ( HO 8) Me O,-78 °C then Zn, CH,COH

A:

Q: 3A+6B→3D AH - 403 kJ/ тol E + 2F→ A AH, = – ΔΗ 105.2 kJ/mol C→E+3D AH3 = +64.8 kJ/mol 6B+4E+6F→C AH…

A: Given equations are:

Q: Balance the following equation by filling the gaps with appropriate numbers. КОН + H3PO4 ]KSPO4…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: 2. A 2.300 g sample of CuxCl, zH₂O weighed only 1.950 g after heating. Aft aluminum was added, a…

A:

Q: (1) (i-Bu);AlH, hexane, -78 S OCH (2) Н,о

A: The major product of the given reaction is below:

Q: To what weight of AICI3 would 0.280 g of AgCl correspond? Atomic weights for Ag = 108, Cl = 35, Al =…

A: Molecular weight of AgCl = (108 + 35 ) = 143 g/mol  So, 143 g AgCl = 1 mol AgCl  1 g AgCl = 1/143 =…

Q: Give the empirical formula for decaborane, whose molecularformula is B10H14.

A: The given molecular formula is B10H14 The empirical formula is the one which shows the simplest…

Q: Q/ Prepare 0.1 N and 0.1 M of 98% H,SO, in 250 ml. M.wt of H,SO4 = 98 g/mol, and its Specific…

A:

Q: b. N2 c. Zn(OH) d. NOz е. LiH f Fe:O4

A: Oxidation number is the partial or imaginary charge present on an atom in the compound.  1.H2CO3 a)…

Q: 1.00 g of hydrated potassium carbonate, K2CO3•nH2O, is heated to 250 °C to give 0.836 g anhydrous…

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".