A solution is made by dissolving 17.8 g of magnesium sulfite, MgS03, in enough water to make exactly 100 mL of solution. Calculate the concentration (molarity) of MgSO3 in mol/L (M). (A) 3.17 mole MgSO3/L B 2.71 mole MgSo/L 2.17 mole MgSO3/L D 1.71 mole MgSO3/L

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Q: 7.5 g of acetic acid (C2H4O2) are diluted to 150 mL with water. What is the molarity of the acetic…

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Q: What is the molarity of a solution that is made by diluting 0.075 L of a 8.56 M solution of HF to…

A: Given :     Initial molarity of HF solution=8.56 M     Initial volume=0.075 L     Final…

Q: 10. (a) Calculate how much of a 12.0 MHCI solution (in mL) is needed to make 350.0 mL of a 0.50 M…

A: Given:M1 = 12.0 MM2 = 0.5 MV2 = 350.0 mL

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A:

Q: B The density of comm ercial concentrated HNO3 is 1-41 a /mL. The concentrated acid contains 69%…

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

Q: When 14g MgSO4 7H2O is dissolved in 100g water the density of the solution is found to be 1.060g/mL.…

A: Molarity:  Molarity is one of the unit of concentration. It is defined as the number of moles of…

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Q: How many grams of KNO3 is present in 125 g of solution that is 0.420 M KNO3? The density of the…

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Q: Concentrated ammonia is 35.6% ammonia by mass and has a density of 0.88 g/mL. What is the molarity…

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Q: A KOH solution is prepared by dissolving 8.57 g of KOH in enough water to make 850 mL of KOH…

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Q: A reagent bottle is labeled 0.255 M K2SO4. (a) How many moles of K2SO4 are present in 25.0 mL of…

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Q: What is the molarity of a CaCl2 solution prepared by dissolving 145 g of CaCl2 into a total volume…

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Q: How many grams of solute are needed to prepare      2.81  ×  102  g of  1.25% (mass/mass)…

A: Given : mass % of NaC2H3O2 solution= 1.25 % w/w         Mass of solution = 2.81 ×102 g Required :…

Q: A metal alloy is made up of elements M and N. The mass of a sample of the metal is 114.5 g. Metal M…

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Q: A solution is made by dissolving 17.8 g of magnesium sulfite, MGSO3, in enough water to make exactly…

A:

Q: Concentrated nitric acid is 70.4% HNO 3 by mass and has a density of 1.42 g/mL. What is the molarity…

A: Molarity: It is the no. of the moles of the solute present in the one litre of the solution.

Q: Consider a 3.00 M CH3OH solution. What volume of this solution, in ml, is needed to provide 0.202 g…

A: Given that : Molarity of CH3OH = 3.0 M Mass of CH3OH = 0.202 g Molar mass of CH3OH = 32.042 g/mol…

Q: 55.  Calculate the molarity of each of the following solutions: (a) 0.195 g of cholesterol,…

A: (a)Given data: 0.195 g of C27H46O in 0.100 LMolecular weight of C27H46O =386.65 g/mol

Q: If 41.3 g of CH,OH (MM = 32.04 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

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Q: Calculate the molarity of 0.650 mol of Na, S in 1.40 L of solution. molarity: M Calculate the…

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Q: What is the molarity when 41.5 g Glucose (C6H12O6) is dissolved in 252 mL Water?

A: Given: Volume of water = 252 mL = 0.252 L                                             (Since 1 L =…

Q: 13. A solution of Na2CO3 (105.99 g/mol) is obtained by dissolving 0.10599 g of Na2CO3 into in a…

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Q: A solution is 15.5% (mass/mass) Na2SO4. The density of the solution is 1.45 g/mL. What is the…

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Q: . At 20°C, a 0.376 M aqueous solution of ammonium chloride has a density of 1.0045 g/mL. What is the…

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Q: Vinegar contains (among other things) acetic acid. What is the molarity of acetic acid (HC2H3O2) in…

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Q: Calculate the molarity of 0.250 mol of Na2S in 1.65 L of solution. molarity:   Calculate…

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Q: Calculate the number of moles of solute in each of the following solutions: (a) 1.7 L of 5.50 M…

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