H.SO, is the most widely used industrial chemical on Earth and will be required at least to some extent by human colonists on Mars. What mass of H,SO, is contained in 250.0 mL of a 6.00 mol/L solution? 2.

Q: If 92.8 grams of sodium nitrite are dissolved in 2.3 L of water, the resulting solution has a…

A: Molarity of resulting solution is= 0.585 M Detailed solution has been attached.

Q: How many grams of solute are present in 635 mL635 mL of 0.440 M KBr?

A: The volume of the KBr solution is = 635 mL The molarity of the KBr solution is  = 0.440 M The mass…

Q: A commercial bleaching solution contains 3.62% by mass ofsodium hypochlorite, NaOCl. What is the…

A: Since % by mass is defined as the percent of mass of solute in the solution present. i.e % by mass =…

Q: 2. An aqueous solution becomes cold when a solid is dissolved in the water. What does the decrease…

A: Answer - The correct option is (a) the process is endothermic Explanation - According to the…

Q: A chemist has 36.0 g of sucrose in a beaker. How many grams of water must be added to make a 9.80…

A: Given, Mass of sucrose = 36.0g

Q: How many grams of NaOH would you need to make 9,817 mL of a 270 mM NaOH solution (m.w. = 40.00…

A: Given information:Concentration of NaOH solution (M) = 270 mMVolume (V) = 9817 mLMolar mass of NaOH…

Q: 2) 12.5g Of glucose (C6H1206) is dissolved in enough water to make 750.0 mL of solution. a) What Is…

A: Given Mass of glucose = 12.5 g Volume of solution = 750 ml standard value molar mass of glucose…

Q: A 0.760 m aqueous solution of KBr has a total mass of 90.0 g. What masses of solute and solvent are…

A: Given,Molality =0.760 mTotal mass = 90g= 0.09 kgAmount of KBr

Q: An aqueous solution is 3.50% by mass potassium bromide, KBr, and has a density of 1.02 g/mL.The…

A: The molarity of potassium bromide in the solution is calculated in step two.

Q: A saline solution used in intravenous drips for patients who cannot take oral fl uids contains 0.92%…

A: Given data Concentration of NaCl in solution = 0.92 % (w/v) Volume of solution = 250 mL…

Q: What is the molarity of a solution of chlorine and water that contains 21.6 L of water and 14.1…

A: We know that ; Molarity = moles of Solute / volume of solution in L By this we can find the Molarity…

Q: H2SO4 is the most widely used industrial chemical on Earth and will be required at least to some…

A: Given;

Q: How many moles of NaOH are contained in 12.44 mL of 0.672 M NaOH solution?

A: Given  Volume of solution   = 12.44 mL                                   =  12.44 × 10-3 Liter…

Q: Consider a solution prepared by adding 2.70 grams acetic acid to 122.8 grams of water :  a. what is…

A: Mass percentage of a component is calculated by dividing the mass of the component with the total…

Q: What mass of sodium chloride and what volume of water are needed to prepare 5.00*102 mL of a .89% by…

A: The question is based on the concept of solution preparation. mass percentage is defined as amount…

Q: How many grams of solute are present in 955 mL of 0.380 M KBr?

A: Formula used: Molarity= no.of moles of solute/volume of solution

Q: In a certain medical test designed to measure carbohydrate tolerance, an adult drinks 7 ounces of a…

A: Given values: Total amount of solution = 7 ounces Let the amount of 30% glucose solution be 'x'

Q: What mass of sodium nitrate needs to be dissolved in water to make 500 mL of a

A:

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

A: Molarity is used to express the concentration of a solution and it is the no of moles of solute per…

Q: There are 5.9 grams of salt (NaCl) per teaspoon and there are 236.5mL per cup. Calculate the…

A: Calculate number of moles of NaCl:

Q: A solution contains 117 g of potassium hydroxide, KOH, dissolved in sufficient H2O to give a total…

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: ow many grams of NaOH would you need to make 1,428 mL of a 1 M NaOH solution

A: Here we have to simply apply molarity equation

Q: How many grams of NaCl are needed to prepare 7.9 mL of a 0.75 M NaCI (aq) solution?

A: Solution of Nacl volume of 7.9 ml Molarity of Nacl solution = 0.75 M We have calculate the how many…

Q: What is the percent by mass of 25 g of sodium chloride dissolved in 100 g of water?

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: 1. Prepare 100 ml of 0.2 N NAOH? (atomic mass: Na=23, O=16, H=1) 2. What is the normality of a 500ml…

A:

Q: What mass of MgF2 is contained in 80.85 g of a 22.4% by mass solution of MgF2 in water?

A:

Q: A student prepares a solution of potassium chloride by dissolving 90.6 g of KCI into enough water to…

A: Given data,     Mass of KCl =90.6 g  Volume of solution =1 L Molar mass of KCl = (39 + 35.5)g/mol =…

Q: A 0.9 L sample of a 6.3 M solution of potassium iodide contains what mass of KI?

A: GivenMolarity of solution = 6.3MVolume of the sample = 0.9L

Q: A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. If the density of the…

A:

Q: A solution is prepared by combining 8 g of sodium hydroxide (NaHO) with 245 g of H2O and the…

A: The mass of solute sodium hydroxide is 8 g and it dissolves in 245 g of water and the mass of the…

Q: Molar mass of NaOH is 40 g/mol. How many grams of NaOH   do you have to take to prepare: a. 1 L of…

A: Molar mass of NaOH is 40 g/mol a. 1 L of 10 M solution of NaOH?   As we know, number of NaOH moles =…

Q: Normal saline solution that is used to dissolve drugs for intravenous use is 0.92%(m/v) NaCl in…

A: Mass/volume percent %m/v is one of the concentration terms that indicates the volume of solute…

Q: 2. The concentration of NH4CI solution (aqueous solution) is 33.5% by mass. If the mass of solution…

A:

Q: How many grams of KBr are contained in 161 g of a 6.66% by mass KBr solution? g KBr

A:

Q: How many grams of solute are present in 90.0 mL of 1.33 M CoSO4?

A: Volume = 90.0 mL Concentration of CoSO4 = 1.33 M

Q: lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample…

A: The density of any substance or liquid is calculated by the formula: d=mV Where, m is the mass of…

Q: How many grams of solute are present in 935 mL935 mL of 0.700 M KBr?

A: Given values are, Volume of solution = 935mL =0.935L Molarity=0.700 M =0.700 mol/L Molar mass of KBr…

Q: What mass of a 21.4 %NAOH solution by mass contains 23.9 g of NaOH?

A: Given: The percentage of NaOH (sodium hydroxide) solution = 21.4%. The mass of NaOH (sodium…

Q: What is the molarity of a solution that contains 17 g of NH3 in 0.50 L of solution? molar mass: Ans:

A:

Q: How many grams of MgCl2 (MM= 95.211 g/mol) is needed to prepare 100.0 mL of a 1.61 m MgCl2 solution?…

A: The mass of MgCl2 needs to be dissolved= 0.1814×95.211 = 17.2758 g.

Q: How many grams of solute are present in 895 mL of 0.320 M KBr?

A: Given Molarity of KBr = 0.320 M Volume = 895 ml standard value Molar mass of KBr = 119 g/mol

Q: How many grams of solute are present in 855 mL of 0.480 M KBr?

A: Volume of solution = 855 mL = 0.855 L Molarity of the solution = 0.480 M

Q: a. How many grams of sodium sulfate are required to prepare 250.0 mL of a sodium sulfate solution…

A:

Q: What mass (in grams) of sodium chloride do you need in order to make 250.0 mL of a 0.44 M sodium…

A:

Q: 500g of Al2s3 is dissolved in H2o to make 15.0 L of solution. What is its normality? (MW:…

A: Normality = (wt.)/{(equivalent wt.)×Volume(L)} ---(1) We know that:  Equivalent wt = (moleculer…

Q: Commercial vinegar is essentially a solution of acetic acid in water. A bottle of vinegar has 3.78 g…

A:

Q: How many grams of NaOH would you need to make 8,613 mL of a 200 mM NaOH solution (m.w. = 40.00…

A: Molarity is a term used for expressing concentration of the solution and is defined as the moles of…

Q: What mass, in grams, of sodium bicarbonate are contained in 0.550 L of a 2.15 M solution?…

A: Given that,volume of the solution = 0.550 L molarity of the solution = 2.15 M = 2.15 mol/L moles of…

Q: How many grams of copper(II)sulfate will you mix with 450 mL of water to prepare 2.50% by mass of…

A: The mass percent of copper (II) sulfate can be expressed as follows: Mass% of CuSO4  =  Mass of…

Q: The concentration of a water solution of NaCl is 2.48M, and it contains 806g of water. How much NaCl…

A: