If a student recrystallized 0.58g of impure acid and recovered 0.12 g of product, the percent recovery of the acid is: * 0.48% 20% 4.8% 0.2%

Q: A 0.3000 g sample of impure Na2CO3 requires 36.31 mL of a 0.1075 M HClO4 solution to reach the end…

A: Molarity of HClO4 = 0.1075 M  Volume of HClO4 = 36.31 mL = 0.03631 L Mass of sample = 0.3000 g  We…

Q: 2 ОН H

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Q: Consider solutions of Cr(NO3)3-9H2O in water. The solubility of Cr(NO3)3-9H2O in water at 15 °C is…

A: The maximum mass of solute that can be dissolved in the given amount of the solvent is known as…

Q: Using the attached solubility curve, please answer the following At 50 C, which solute is least…

A: The term solubility for a given substance can be defined as the ability of a given substance to get…

Q: 4. Predict the effect of temperature increase, (b) pressure decrease, (c) concentration increase of…

A: Temperature increase.  As reaction is endothermic so when we increase temperature then reaction want…

Q: Need help asap In one experiment, 12.0 g of PCl5 was slowly added to 15.0 g of H2O according to the…

A: First find out the number of moles for both reactant. Then using mol to mol ratio, find out the…

Q: Molarity Calculations. Report answers with correct units and number of sig figs please. 1. How many…

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Q: Determine the number for each variable. What volume of 0.125 M KMNO4, is required to yield 0.180 mol…

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Q: H+ HO HC1 (Excess) OH 1. LiAlH 4 2. H₂O* H₂ Pd/C 1. CH 3MgBr 2. H₂O+

A: LiAlH4: Reduces aldehyde and ketone  to alcohol HCl: adds to alkene to produce chloroalkane MeMgBr:…

Q: Question: You mix 42.00 mL of 6.20 Pb(NO3)2 with 23.00 mL of 1.70 NaCl. A precipitate forms.…

A: The moles of the solution always remains constant. there is no effect of volume change or…

Q: If 1.7 L of a 1.25 M HCI solution is mixed with 3.3L of a 0.11 M NAOH solution in a process that…

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Q: Determine how much carbon dioxide (44 g/mol) is produced if you reacted 19 g of baking soda (84…

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Q: Determine the percent yield of the synthesis.  The % yield = 81.33 % The Theoretical Yield = 2.65g…

A: The percentage yield has to be given,

Q: Suppose Missy bon bon have 20.3 L sample of gas that contains an impurity, CO. The sample was then…

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Q: A 25.00mL KCl solution with a mass of 27.913g was heated and the remaining residue has a mass of…

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Q: One solution states it contained a saturated 0.25302% dye by mass in ethanol solvent. By measuring…

A: % by mass refers to mass of solute present in 100 g of solution. Molarity is the moles of solute per…

Q: 1.)  10g of an imaginary molecule X is dissolved to form a 500 mL solution. Calculate the…

A: (1) Molarity or concentration can be defined as the moles of solute that can be dissolved per litre…

Q: Assume that the mass of impure acetanilide is 1.732 g. and the mass of recrystallized acetanilide is…

A: Answer: 73.38 %

Q: What is the molar concentration of SO42 when 257.0 g of Al2(SO4)3 is dissolved with water until the…

A: The molar concentration can be determined by using the formula given below as; Molar…

Q: ) Solution Concentration and Solution Stoichiometry a) What is the molarity of a solution made by…

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Q: What mass of Na₂CO3 will react completely with 18.9 mL of 2.6 mol/L solution of Mg(ClO3)2?

A: Given: Molarity of Mg(ClO3)2 is 2.6 mol/L Volume of Mg(ClO3)2 is 18.9 mL or 0.0189 L To find: mass…

Q: Assume that you used 1.20 ml acetophenone and 1.40 ml benzaldehyde, calculate the theoretical yield.…

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Q: 5. Determine the percent yield of the below reaction when 1.5 g of salicylic acid reacts with 1.5 mL…

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Q: 3. The end point is the point where equal masses of reactants combine */^~²) 2-) O False True

A: 3)The endpoint in a titration is defined as the point at which the indicator changes colour.  Note:…

Q: Na2CO3 (aq) + CaCl2 (aq) —> CaCO3 (s) +2NaCl (aq) Mass of Na2CO3 =1.118g Mass of CaCl2= 1.381g Mass…

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Q: Sample 1 Sample 2 Unknown CaCl2 solution code (if any) 2 1. Unknown Code = 2. Volume of 0.100 M…

A: Answer: In this question we have to find out the moles of Sodium Phosphate consumed by performing…

Q: need help with finding theoretical mass of aspirin and percent yield

A: Theoretical yield is the maximum amount of product can be generated from given amount of reactant.

Q: How many grams of K2Cr,07, are soluble in 100 g of water at 95 °C? 100 90 NANO, 80 O70 60 CaC 50…

A: Given information,

Q: CALCULATE FINAL CONCETRATION INCLUDE UNITS AND 2 SIG FIGS A 43.5 mL sample of an 7.5 %(mm/vv) KBr…

A: Given : Volume of sample, V1= 43.5 ml Mass by volume percentage of kbr solution =7.5% Final volume,…

Q: Determine the molarity of a solution prepared by dissolving 155.6 g of citric acid, C3H5O(COOH)3, in…

A: Mass of citric acid=155.6 g   Molar mass of citric acid = 192.124 g/mol Moles = Mass ÷  Molar mass…

Q: 2Na + ZnCl2 ---> 2NaCl + Zn What mass of Sodium Chloride would be produced if 50.0mL of 2.00mol/L…

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Q: Solubility Curves Solubility (g/100 g H₂O) 160 140 120 100 80 60 40 20 O 10 20 30 SIN ms of 4Cl a…

A: The solubility curve shows the maximum amount of solute that can dissolve in a given solvent at a…

Q: convert 0.750 moles of CuCl2 to mass in grams. b) 25cm3 of sodium hydroxide solution of unknown…

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Q: Determine the percentage of impurities present in 2.5 g of an impure sodium chloride sample that…

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Q: To find the mass percent of dolomite, or CaMg(CO,), in a soil sample, a geochemist titrates 10.13 g…

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Q: 1. Solve the following queries. Make sure you show full procedure using conversion factors if…

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Q: Ksp for Fe(OH)3  (Fe(OH)3(s) ⇌ Fe3+(aq) + 3OH-(aq)) is 4.0 × 10-38. In the presence of 0.01 M NaOH,…

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Q: Molecular Equation: (NaOCI (aq) + 2 KI (aq) +2 HCI (aq) → 12(aq) + 2 KCI (aq) + NacI (aq) + H2O (1)…

A: Here 35 ml of 0.1M NaOCl react with 25 ml of 0.2 M KI and excess of H+ .  We have to find the mass…

Q: Using the attached solubility curve, At 50 C, which solute is least soluble: KCl, KClO3, NH3 or…

A: According to the solubility curve, the maximum amount of NH3 that can dissolve in 100 g of water is…

Q: If 24.6 g of KBr (MM = 119.00 g/mol) are added to a 500.0 mL volumetric flask, and water is added to…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is known as…

Q: 8. Calculate the percentage yield of t-butyl chloride if we obtained 9.3g product from 16.7 mL of…

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Q: Determine the mass of K2SO4 that will dissolve in 250.0 g of H20 to form a saturatedsolution at 70.0…

A: 4(B) Given that : The experimental data for the solubility of K2SO4 in water is given below :…

Q: Refer to the solubility curve below to answer this question. How many grams of KCIO3 will dissolve…

A: Solubility is a quantitative measure of amount of solute dissolved in given amount of solvent at…

Q: Please calculate percent yield

A: Based on the procedure described, the synthesis of dimesitylmethane was successfully carried out.…

Q: In the following balanced reaction: 0.3 mmol of A and 0.8 mmol of B is reacted to prepare C and D.…

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Q: a student separated 7ml of ethyl acetate and butyl acteta via distillation. At the end of the…

A: Amount = Volume ×Density