A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. If the density of the resulting solution is 1.05 g/mL. Determine the concentration of CaCl2 in % by mass? Select one: a. 0.0632 b. 6.24 c. 6.32 d. 5.94

Q: 4. Will a precipitate form when 80,0 mL of 2.00 x 10 M Cu(NO)2 and 20.0 mL of 2.00 x 10 M NalO, are…

A: If ionic product is higher than solubility product, then precipitation of that compound will occur.

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Q: ) If Vroluene :25ml and Voit -25ml Viwater ooml 0.iN m wt find wt

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Q: The value of for the reaction below is -72 kJ. When one mole of HBr is formed in this reaction, the…

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Q: 26.57 L of ethane at 64 degrees C and 657.5 mmHg reacts with 98.76 L of oxygen gas at 59.7 degrees C…

A: Given: Volume of ethane = 26.57 L Temperature of ethane = 64 oC = 273.15 + 64 = 337.15 K…

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Q: A compound with molecular formula C6H12O2 exhibits two singlets in its 1H NMR spectrum, at d 1.4…

A: Answer -

Q: Page 2. In a combustion reaction, acetylene (C2H2) burns with oxygen. 2CH2+ 502 4CO2+ 2H2O How many…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: 11. Which element has the largest atomic rądiys? a) Kor Li b) Zr or Cs or Sb or S 12. Which element…

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Q: A B Br FeBr3 1 2 -Li then H30* D LIAIH4 then H30*

A: Let us discuss the reactions mamd their products.

Q: Which of the following anions is aromatic? A) B) C) D) CrO

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Q: 19. Which of the following correctly describes a key step in the mechanism of the decarboxylation of…

A: Decarboxylation of acetoacetic acid- In Decarboxylation is carboxyl group removes and releases…

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Q: Predict the products for the following reactions. Draw the skeletal structure for the reactants and…

A: The reactants given are,

Q: Problem 7 For the chemical reaction 2A +B 2 C, suppose that the equilibrium constant is determined…

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Q: 25ml Q) If Vrotuene :25m1 and Voit Vwater - NNacH mwt 0.iN find wt :9

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Q: A solution contains 1.07×10-2 M iron(III) acetate and 8.53×10-3 M zinc nitrate. Solid sodium…

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Q: 9. A sodium thiosulfate solution is standardized using pure copper as the primary standard. A sample…

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Q: Consider a helium atom(m=6.6m10^-27 kg) that is confined to mobility along a line with a length of…

A: Given: mass of helium atom = 6.6×10-27 kg speed = 1500 m/s Length = 12 Ao

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A: Given-> v = K [A]a

Q: Define equilibrium in terms of  a)reaction rates   -Forward reaction rate = reverse reaction rate…

A: Eqilibrium can be defined in terms of reaction rate, change in observable properties, energy and…

Q: If Vroluene :25ml and Voit 25ml Viwater 10oml mwt find wt :?

A: Total volume of the solution is given by = 100 + 25 + 25 Total volume = 150 mL Volume (L) = 150/1000…

Q: vapor pressure (in torr)

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Q: An overall reaction between nitric oxide and hydrogen is given as follows: 2NO + 2H2 → N2 + 2H;0…

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Q: How do organic compounds differ from inorganic compounds?

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Q: 13. Which of the following is expected to be the most acidic hydrocarbon? A) B) D)

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Q: A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. If The density of the…

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Q: 13. Draw Frost circle (polygon-in-a-circle) diagrams for TI molecular orbital energy levels of the…

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Q: answer the following questions based on this chemical reaction. 34.8 grams of copper reacts with…

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Q: Calculate the standard potential, E°, for this reaction from its equilibrium constant at 298 K. X(s)…

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Q: Heavy nuclides with too few neutrons to be in the band (zone) of stability are most likely to decay…

A: The correct answer about the stability of Heavy nuclides is given below

Q: An electric current of 26.30 A transports 350. µC of charge. Calculate the time this toc Be sure…

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Q: Calcium chloride has a lower melting point than barium chloride. Why?

A: The correct answer about melting point is given below.

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Q: The amount of gas that occupies 60.82 L at 31°C and 367 mm Hg in moles is: Select one: a. 11.6 b.…

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Q: Calculate the number of moles of water from mass of water loss: (molar mass of water= 18.0153 g/mol)…

A: The experiment data is given above.

Q: mass in grams of Fe₃O₄

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Q: Use this diagram below to answer Questions 2 through 4 200 172 kJ 160 155 kJ PE (kJ) 120 112 kJ 102…

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Q: 2. Propose a sequence of reactions that efficiently converts the given starting material(s) to the…

A: We have to carry out the given synthesis from the given starting materials.

Q: length and frequency of... 0/3 A VHF television station assigned to channel 23 transmits its signal…

A: Given that -  Frequency = 524 MHz = 524×106 Hz = 524×106 s-1    Now, from following formula -  c = v…

Q: dissociated H+H+ ions

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Q: Which of the following frequencies corresponds to light with the longest wavelength? O 2.00 x 10* 14…

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Q: For sequential reaction: A » B + C ..(i) 2B »C + 2D ..(ii) If % yield of (i) and (ii) reactions are…

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Q: ANUTHE Acetone has the chemical formula C,H,0. Calculate the number of moles and C,H.0 molecules in…

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Q: 16. Which of the following represents an S enolate structure of diethyl malonate (EtOOCCH2COOEt)? A)…

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Q: er oxidation or reduction

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…