(f) number of O atoms in 6.25 x 10-3 mol Al(NO3)3

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

A:

Q: 3. Н.РО, 4. Al(ОН),

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

Q: When 6.65 g of the hydrate NiSO4 • xH2O was heated in a vacuum, the water was driven off and 3.67 g…

A: NiSO4 . xH2O is a hydrated form of nickel Sulphate and the water involved is called water of…

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: What is the formula weight of trinitrotoluene, known as TNT, with a molecular formula…

A: Formula weight of a compound represents its total weight. Formula weight of a particular compound…

Q: What is the boron mass percent composition in (CH3)3OBF4?

A: • We need to calculate the mass percent of boron (B) in (CH3)3OBF4

Q: CI OH 2 3

A: R/S configuration is another method which naming of compounds having chiral centre is done by CIP…

Q: * ? H2 1) OsO, 2) NaHSO/H,0 ? HBr

A: 1) Alkenes reacts with H2 in presence of catalyst Pt and undergoes reduction reaction. In the…

Q: 2. How many H atoms are in 72.5 g of isopropanol (rubbing alcohol), C3H8O?

A:

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: Which titanium-containing mineral, rutile (Ti O 2 ) orilmenite (FeTi O 3 ), has the larger…

A:

Q: What is the mass percent of iron in iron(II) oxalate, FeC2O4?

A: From the molecular formula we can get the molar mass from there we can get the weight of the…

Q: 6. HPO4(aa) + Ca(OH)2(aa) →

A: Given  Reactant =  H3PO4 and Ca(OH)2 Ionic equation = ?

Q: 2. Calculate the percentage by mass of oxygen in the following compounds a. NO2 b. CH;COOCH3

A: Since you have posted question with multiple subparts as per guidelines we can answer only three per…

Q: In mammals, lactose (milk sugar) is metabolized to glucose (C6H12O6), the key nutrient for…

A: Given :  Calculate the mass percent of C in glucose

Q: Calculate the mass percent of H2O in CuSO4•5H2O

A: Mass of water = 5 x 18 = 90 g Molar mass of CuSO4.5H2O = 249.5 g/mol

Q: Will these ions make compounds? Mg 2* and Li l+? Ca 2* and F? 1+ Na * and O2-? 0' and Cl -?…

A: We know that Same charge repel each other and opposite charge attract each other. Opposite charge…

Q: The green color of leaves is due to thepresence of chlorophyll, C 55 H 72 O 5 N 4 Mg. A fresh…

A: Chlorophyll is a green pigment that absorbs sunlight and helps plants absorbs energy and utilize…

Q: What is the molar mass of the following compounds?     N2H4…

A: Molar mass of compounds depand molar mass of atom

Q: An aluminum-containing compound has the formula Mg, Al,0, and is 44.98% oxygen by mass. What is the…

A:

Q: OH Na,Cr,O, NH,OH.HCI H,SO,

A: First alcohol will be oxidised into ketone Because sodium dichromate is strong oxidising agent. Now…

Q: Explain  question 2 what is the true percentage of water in BaCl2•2H2O?

A: Because water has a molar mass of 18.015 g/mol, it follows that 2×18.015 g of water for every…

Q: Determine the molecular weight of Ca(NO3),

A: The given molecule is Ca(NO3)2.   The molecular weight of each atom in the given molecule is, Ca =…

Q: Calculate the percent composition by mass of scandium in Sc203-

A: Molar mass of Sc = 44.95 g

Q: 3- calculate the number of ( 0 ) atom in 1.5 g of glucose (C,H12O6).

A:

Q: 30 How many grams of Mo(SO3)3 are in 1.60x1023 molecules of Mo(SO3)3?

A: Given, molecules of Mo(SO3)3 = 1.60*1023 Grams of Mo(SO3)3  = ? One mole on any substance contains…

Q: How many coulombs of charge are necessary to produce 341 g of Al from Al³+ (aq)? (F= 96,500 C/mol) 1…

A:

Q: Which molecule has a larger molar mass? CH3OH or CO2

A: The molar mass (MM) of a compound is computed using the following expression: MM=∑niMi where ni and…

Q: If there are 6.2x1022 molecules of calcium carbide, CaC2, what mass of acetylene (C2H2) can be…

A: The solution of above question is-

Q: Calculate the percent composition by mass of each element (C, H, O, P) in methyl phosphate (CH5O4P

A: Determine mass % of each element in methyl phosphate ?

Q: How many molecules of NO2 are present under these conditions at 20 °C in a room that measures 15 *…

A: Given: Temperature=20°C=293.15 K Dimension=15 ft×14 ft×8 ft

Q: Br Compound X Br Br

A: Alkyl halide gives an elimination reaction to give an alkene. The alkene reacts with different…

Q: in) 2 LL EHOH nNH, xi) OH HSO, (q)

A:

Q: How do I calculate the mass of arsenic ion (AsO4-3 )

A: Steps to find mass of compound - 1) find mass of each single element. 2) multiply mass of an element…

Q: What mass of oxygen would be in a 124.56g sample of sodium thiosulfate Na2S2O3?

A: Given that:  Mass of Na2S2O3 = 124.56g  Molar mass of Na = 23g/mol Molar mass of S = 32g/mol Molar…

Q: sent in 8.58 x 102 molecules of this compound?

A: Dear student I have given answer to your first question in the image format. i cannot answer other…

Q: Predict which substance has greater molar entropy. Explain.

A: (a).If the complexity of the molecule increases, them there is an increase in the entropy.In the…

Q: What is the molar mass of Mg3(PO4)2, a substance formerly used in medicine as an antacid?

A: Molar mass of Mg3(PO4)2 is calculated as,

Q: how many moles of S are needed to combine with 0.225 mol Al to give Al2S3?

A: The formula of Aluminium sulphide is Al2S3The balanced equation:

Q: compound

A:

Q: What is the mass percent of hydrogen in the following compound? C4H8O4

A: C4H8O4 molecules contain 4 carbon, 8 Hydrogen and 4 oxygen atoms.   The mass of 1 mole of C4H8O4 is…

Q: Calculate the number of H atom in 3.206g of Caffeine (C8H10N4O2)

A: Molar mass of caffeine = 194.19 g/mol Mass of caffeine given = 3.206 g no. of moles of caffeine =…

Q: how many moles of F are needed to form 1.4 moles of XeF6?

A: The molecular formula of the compound is given as XeF6  hence we can say that the number of F atoms…

Q: A rock is 6.5% by mass fayalite (Fe2SiO4), 14.2% by mass forsterite (Mg2SiO4), and the remainder…

A: In this question given: Fe2SiO4- Fayalite has 6.5% and 14.2% by mass forsterite, remaining is 79.3%…

Q: why ny is Bacly:2H,0 not written as Bacla Hy Oz

A: Why BaCl2.2H2O is written as BaCl2H4O2 ?

Q: Calculate the mass percent of H in C3H120.

A:

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: What is the percent Mo in Mo2(CO3)3?

A:

Q: Calculate (to the nearest 0.1u) the formula mass of these compounds: glucose, C6H12O6 sucrose,…

A: The formula mass of any compound is given as the sum of the atomic masses of the constituent atoms…

Q: 1. CO2(s),? CH,MgBr 2. H,0, HCI MgBr 1. ? 2. CH,CH2OH

A:

Analytical Tools

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