Determine how many grams of each of the following solutes would be needed to make 2.50 x 102 mL of a 0.100 M solution: a) sulfuric acid b) sodium carbonate c) potassium permanganate

Q: Exactly 0.32540 g of pure Na2CO3 was dissolved in 100.0 mL of 0.0853 M HCl, determine the a) mass of...

A: Weight of Na2CO3 = 0.32540 gm Volume of HCl = 100.0 ml = 0.1 L ( 1 L = 1000ml) Molarity of HCl= 0.08...

Q: For many purposes we can treat ammonia (NH,) as an ideal gas at temperatures above its boiling point...

A: Ideal gas equation is PV = nRT,we will use this equation.

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Q: At a particular temperature 8.0 mol NO, gas is placed in a 1.0-L container. Over time the NO, decomp...

A: Given, No of moles of initial moles of NO2 = 8.0 mol  At equilibrium concentration of NO = 3.7 M  

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Q: Zinc metal reacts with HCI according to the following balanced equation: Zn(s) + 2HCI(aq) --> ZnCl2(...

A: Given : volume = 47.0 ml density = 1.03 g / ml specific heat = 4.184J /g°c temperature change of sol...

Q: How many grams of potassium permanganate are required to prepare 432 mL of 0.540 M solution

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Q: Consider the chair conformation of the molecule depicted below. Redraw this chair as a hexagon struc...

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Q: 3HF + Al(OH)3 à AlF3 + 3H2O 240 g of hydrogen fluoride react with 156 g of aluminum hydroxide to for...

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Q: Complete the reaction scheme below with the missing structure and any other necessary reagents. You ...

A: The answer is as follows:  

Q: The overlap of atomic orbitals shown here will give rise to a molecular orbital with what type of ch...

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Q: for number 10 Shape                                                   Type of Molecule tetrahedral...

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Q: CH3 CH3 B C A CH3 H Ph;P CH3 Ph3P CH,CH(CH3)2 Ph,P CH(CH3)2 D E F

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Q: Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C ...

A: Given :  A , B and C all are oxidising agents and reduces to A- , B- and C- respectively.  In soluti...

Q: 1. Name each of the following compounds: a) Pbl2 b) NiS c) Fe(OH)2 d) Crz(CO3)з e) Al(ОН)з f) KNO3 g...

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Q: If the molar solubility of MnCO3 is 2.1l × 10-0 M at a certain temperature, what is the Kgp for the ...

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Q: 2NaOH + H2SO4→ → Na2SO4 + 2H2O What is the mole ratio of sodium hydroxide to water?

A: Sodium hydroxide reacts with sulfuric acid to form sodium sulfate and water. The equation for the ba...

Q: Household ammonia is a solution of ammonia gas and water, and it is used as a general purpose cleane...

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Q: Of course, this proposed law is hypothetical. Using the following data collected experimentally (pro...

A: Data  Time (s)  [NO2], M  ln [NO2] 1/ [NO2]  0  1.00 x 10-2 -4.60517 100  60  6.83 x 10-3 -4....

Q: OH + H-C-0 (C) 0. (a)

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Q: 6- Next, the 1H and 13C spectra of each of the three isomeric ketones with formula C7H14O are presen...

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Q: Match Cations and Colors of Precipitate: Colors:  Green Gel   Blue Gel   Brown Gel    White Gel Ca...

A: The matching of the following is:  

Q: Calculate the standard enthalpy change for the reaction 2C8H18() + 1702(9) → 16CO(9) + 18H20(). Give...

A: To determine the value of ∆H° for the reaction given below as; 2 C8H18 l   +   17 O2 g   →    16 CO ...

Q: Proton NMR: 2.7 (quartet, 2H), 2.5 (doublet, 2H), 1.7 (nonet, 1H), 1.6 (broad singlet, 1H), 1.1 (tri...

A: 1. 3300 cm-1  this peak is due to N-H stretching of secondary amine.  

Q: 30. The composite wall of an oven consists of three materials A, B and C. Under steady state operati...

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Q: Select the method(s) that will give the following alkene as a MAJOR product. Ph;P* •CH2 1. PPH3 2. H...

A: The conversion of carbonyl compounds into alkene by the reaction with the triphenylphosphonium ylide...

Q: What is the mass of 4.50 x 1044 Cu atoms?

A: Given :- number of Cu atoms = 4.50 × 1022 atoms  To calculate :- mass of Cu (in g)

Q: In each box please fnd and then write the correct element by name, its atomic number, atomic mass, a...

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Q: pH Solution is <7 (c) (select) |1.0 x 10-7 м (е) (select) (a) (select) <1.0 x 10-7 M (0 (select) (b)...

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Q: Ph PHHC-PPH3

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Q: Enter your answer in the provided box. 35 The atomic masses of the two stable isotopes of chlorine, ...

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Q: When the following skeletal equation is balanced under acidic conditions, what are the coefficients ...

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Q: 2. Are the following molecules aromatic, non-aromatic, or anti-aromatic? Provide the electron count ...

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Q: Question 2 Based on the reaction below, which direction would the following changes to the reaction ...

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Q: Be sure to answer all parts. Caleulate the molecular mass or formula mass (in amu) of each of the fo...

A: Molecular mass - The sum of the atomic masses of all atoms in a molecule. 

Q: A 22.0 g block of copper at 45'C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385 Ng-...

A: given :-  mass of Cu = 22.0 g  specific heat of Cu = 0.385 J/g°C  initial temperature = 45 °C  heat ...

Q: Predict the pH (>7,7 7

A: a) KBr is a salt of strong base and strong acid.

Q: A 1. HNO, / H2SO, в 2. Br, / FeBr3 1. Fe/ HCI 2. NaNO, / HCI 3. CUCN 1. Large excess of LIAIH, follo...

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Q: Which of the following shows the correct chemical equation for the ionization of HBRO? HBrO(aq) + H2...

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Q: What is the theoretical yield of chromium that can be produced by the reaction of 40.0 g of Cr203 wi...

A: The given reaction is  2Al  + Cr2O3 --------&gt; Al2O3   + 2Cr  The reaction indicates that 2 mole o...

Q: suggest the MIC for the unionised form of the acidic preservative with a pKa of 4.2 is 0.0185mg/mL. ...

A: Given that, the MIC for the unionized form of the acidic preservative with a pKa of 4.2 is 0.0185mg/...

Q: For many purposes we can treat butane (C,H10) as an ideal gas at temperatures above its boiling poin...

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Q: what pressure does the mean free path of argon at 25°C become comparable to the diameters of the ato...

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Q: How do you write out a balanced chemical equation?

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Q: Why should we study the strength of acids and bases in Chemistry?

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Q: Formic acid (HCHO,) has a K, 1.8 x 10. What is fractional composition (a) of formic acid in solution...

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Q: 2. Automotive air bags inflate when sodium azide decomposes: 2 NaN3(s) 2 Na(s) + 3 N2 (g) a) Calcula...

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Q: /hich of the following reactions will result in formation of a ketone? 1) 0=C=0 CA) MgBr 2) H3O* 1) ...

A: Given are organic reactions