Calculate the number of moles and the mass of the solute in each of the following solutions:(a) 2.00 L of 18.5 M H2SO4, concentrated sulfuric acid(b) 100.0 mL of 3.8 × 10−5 M NaCN, the minimum lethal concentration of sodium cyanide in blood serum(c) 5.50 L of 13.3 M H2CO, the formaldehyde used to “fix” tissue samples(d) 325 mL of 1.8 × 10−6 M FeSO4, the minimum concentration of iron sulfate detectable by taste in drinking water

Q: What is the mass in milligrams of solute in 356 mL of a solution that contains 2.96 ppm of Pb(NO3)2?

A: Given :-  Volume of solution = 356 mL  Concentration of solution = 2.96 ppm  To calculate :-  Mass…

Q: What volume (in mL ) of 0.160mol / L calcium hydroxide , Ca(OH) 2 (aq) , is needed to completely…

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Q: A sample of sodium hydrogen carbonate solid weighing 0.1491 g requires 37.83 mL of a hydrochloric…

A: Given data contains, Mass of sodium hydrogen carbonate is 0.1491 g. Volume of hydrochloric acid is…

Q: Question attached

A: Sample of sea water contain concentration of 687mg of chloride ion per kg of sea water Density of…

Q: What is the molarity of a barium chloride solution prepared by dissolving 9.9 grams of BaCl2•2(H2O)…

A: Molarity = (Mass/molar mass)(1000/V(ml)).Mass = 9.9g.Molar mass = 244.26g/mol.Volume = 151.0ml.

Q: Calculate the molarity of the following solutions. a) 15.3 g of NaCl in 739 mL of solution. b) 0.550…

A: The molarity of a solution is defined as the number of moles of the solute present in the one Litre…

Q: Calculate the molarity of the following solution: 0.800 g NaOH (s) dissolved in distilled water, to…

A: Molarity is the number of moles of solute dissolve in one litre of solution. So,

Q: How many grams of NiSO4⋅7H2O would be required to prepare 5.00×102 mL of a solution that is 0.300 M…

A: The molarity of a solution is defined as the ratio of moles of solute and the volume of solution in…

Q: Calculate the molar concentration of the solution formed when 69.68 g of MgSO4 * 6 H2O is dissolved…

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Q: If 0.850 L of a 5.00-M solution of copper nitrate, Cu(NO3)2, is diluted to a volume of 1.80 L by the…

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Q: What is the molarity of a solution prepared by dissolving 64.9 grams of Pb(NO3)2 in enough water to…

A: The number of moles of lead nitrate are as:

Q: What is the molarity of a barium chloride solution prepared by dissolving 2.50 g of BaCl2 x 2H2O in…

A: It is required to calculate the molarity of BaCl2.2H2O in a 400 ml (0.4 L) solution. This can be…

Q: About 6x 10°g of goldis thought to be dissolved in the oceans of the world. If the total volume of…

A: Given, Mass of gold = 6*109g Volume of ocean = 1.5 *1021L

Q: What volume (in mL) of 0.436 mol/L calcium hydroxide, Ca(OH)2(aq), is needed to completely…

A: Answer: the volume of calcium hydroxide [Ca(OH)2] solution needed is 16.31 mL.

Q: What is the molarity of potassium ions in a 0.122 M K2CrO4 solution?

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Q: Which of the following is NOT soluble in water? O acetic acid, the active ingredient in vinegar,…

A: We have to predict the substance insoluble in water.

Q: When household ammonia is mixed with bleach, NaOCl, toxic chlorine gas and hydrazine, N2H4 is…

A: When household ammonia is mixed with bleach, NaOCl, toxic chlorine gas, and hydrazine, N2H4 is…

Q: What is the molarity of a 3.205 M solution of strontium chloride with a density of 1.411g/ mL?

A: Dear student, your question is somewhat incrorrect since you have mentioned to calculate the…

Q: What is the concentration (in Molarity units) of [Cu2+] in a solution that was prepared by weighing…

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Q: 3.) If it takes 25 mL of 0.050 M HC,H3O2 to neutralize 345 mL of NaOH solution, what is the…

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Q: What is the volume of 1.323 M sodium hydroxide required to react with 15.3 g of concentrated acetic…

A:

Q: In a demonstration of strong electrolytes, weak electrolytes, and nonelectrolytes, Professor…

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Q: What is the molarity of a solution of NH3 when 4.56g of NH3 is dissolved in water to a total volume…

A: Given Information- mass of NH3 = 4.56 g  volume of NH3 =375.0 mL         Required data - moles of…

Q: A sample of 7.44 grams of magnesium chloride is weighed out on a balanced and prepared to a volume…

A: Interpretation: A sample of 7.44 grams of magnesium chloride is weighted out on a balanced and…

Q: Calculate the molarity of Cl– in 150.0 mL of aqueous solution that contains 5.07 g of zinc chloride

A:

Q: How many moles of sulfuric acid,H2SO4, are neutralized by 23.46 mL of 0.238 M NaOH(aq)? Begin by…

A: The neutralization reaction of H2SO4 by NaOH takes place forming salt and water. It can be expressed…

Q: Calculate the molarity of Zn2+ in 150.0 mL of aqueous solution that contains 5.07 g of zinc chloride

A: The molarity is defined as the number of moles of solute dissolved in per liter of solution. i.e…

Q: What is the mass of the solute (in grams) in 325 mL of 1.8×10–6 M FeSO4, the minimum concentration…

A: molarity  = (no. Of moles of solute ÷ volume of solution in liter) Given volume = 325 ml = 0.325…

Q: Formaldehyde, CH2O (30.03 g/mol) has been widely applied in many chemical processes such as…

A: Molarity is defined as the number of moles of the solute divided by the volume of the solution in…

Q: Calculate the mass, in grams, of potassium iodide that must be added to a 125-mL volumetric flask in…

A:

Q: What is the molarity of potassium ions in a 0.122 | M K2CrO4 solution?

A:

Q: Consider a solution prepared by adding 2.70 g acetic acid, CH3CO2H, to 122.8 g of H2O. (a) what is…

A: Given: Mass of water = 122.8 g. And mass of acetic acid = 2.70 g.

Q: A mixture of hydrochloric and sulfuric acids is prepared so that it contains 0.575 M HCl and 0.145 M…

A: The moles of HCl and sulfuric acid is calculated.

Q: What mass of Fe(NO3)3 do you need to prepare 250.00 mL of .750 M solution?

A:

Q: What is the molarity of sodium ions, [Na+], in a solution of 15.0 grams of Na2CO3 dissolved in 125…

A: Introduction- Molarity (M): It is the number of gram moles of solute dissolved per litre of…

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 711 mg of chloride…

A: Given values-> Weight of chloride ion = 711mg = 711 × 10^-3gram Density = 1.035gm/mole

Q: react

A: Acid: V =15 ml, M =? Base: V = 55.7 ml and M = 0.1 M

Q: What is the molarity of a solution made by dissolving 2.355 g of sulfuric acid (H2SO4) in water and…

A: Molarity is one of the ways to measure the concentration of a solution. The unit of molarity is…

Q: The density of a 45.0 mass % solution of ethanol (C2H5OH) in water is 0.873 g/mL. What is the…

A: Given : Mass percentage = 45% Density = 0.873g/ml

Q: Calculate the mass, in grams, of nickel(II) nitrate that must be added to a 500-mL volumetric flask…

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Q: What is the concentration in molarity of an aqueous solution which contains 20.01% by mass…

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Q: What is the mass of solute, in grams, in 250, mL of a 0.0125M solution of KMnO4 ?

A: Answer:- This question is answered by using the simple concept of calculation of mass of solute…

Q: One cup of fresh orange juice contains 550 mg of ascorbic acid (vitamin C, ). Given that one cup =…

A: Molarity is defined as total number of moles of solute dissolved in one litre of solution Molarity…

Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. b)…

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Q: How many moles and numbers of ions of each type are present in the following aqueous solution? 53.6…

A: MgCl2 (aq) -------->  Mg2+(aq)  +  2Cl- (aq)  Number of moles = Molarity x volume (L) 1 mole =…

Q: Calculate the molarity of a solution prepared by dissolving 6.24 g of NaI in enough water to prepare…

A: Given: Mass of solute(NaI)=6.24 g The molar mass of NaI=149.89 g/mol The volume of the solution= 312…

Q: If 0.4350 g  of sodium oxalate, Na2C2O4, requiresof a 41.71 mL  KMnO4 solution to reach the end…

A: Reaction between MnO4- and oxalate is given - Number of sodium oxalate reacted is calculated :-

Q: The concentration of acetylsalicylic acid, C9H8O4, in aspirin tablets is determined by hydrolyzing…

A: Solution A stock resolution could be a focused resolution which will be diluted to some lower…

Q: Hydrochloric acid, HCl, and calcium hydroxide, Ca(OH)2, react with each other in a neutralization…

A: The reaction taking place will be  Ca(OH)2 + 2 HCl ------> CaCl2 + 2 H2O

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 559 mg of chloride…

A: