Some graduate students have a solution of 1 M NaCl in the lab. What volume of the Nacl solution and what vorume of water do they need to mix together to make 1 L of 0.035 M NaC? O 35 ml of 1M NaCl and 35 mL of H20 O 35 mL of 1M NaCl and 965 mL of H20 O 35 mL of 1M NaCl and 65 mL of H20 O 3.5 mL of 1M Nacl and 6.5 mL of H20

Q: A 25.0 mL sample of a 30.0%(v/v) HF solution has a density of 1.101 g/mL. The sample is diluted to a…

A:

Q: stock solution of Mg(NO3)2 is available to prepare solutions that are more dilute. Calculate the…

A:

Q: c. 1.52g of HNO3 in 575 mL of solution. Be sure to convert to molarity. d. 1.50 x 10-³ M Sr(OH)2…

A: c). Molarity = (Number of moles /Volume of solution in Liters) Given 1.52 g of HNO3 Given mass of…

Q: A 1.00 L NaCl stock solution has a molarity equal to 0.5 M, what is the final concentration when 200…

A:

Q: A saline solution with a mass of 400 g has 30 g of NaCl dissolved in it. What is the mass/mass…

A: Mass percent of component 1 = (Mass of component 1/ Mass of solution) x 100 Mass percent = (Mass of…

Q: A1. Sodium citrate: 0.015 M. Calculate the mass of sodium citrate dihydrate, Na3C6H5O7(H2O)2, needed…

A: We need to show the calculations for the preparation of different solutions.

Q: How many grams of cobalt (II) nitrate would you need to add to a 100.0 mL volumetric flask to make a…

A: Molarity = number of moles of solute/volume of solution (in L)  so, number of moles = molarity ×…

Q: What is the concentration of an aqueous caffeine solution that is prepared by dissolving 36.8 g of…

A: We are having 36.8 g of caffeine, C8H10N4O2 Molar mass of caffeine, C8H10N4O2  = (12*8 +…

Q: What is the appropriate size of volumetric flask to use if you want to dilute a 75.00 mL solution of…

A: The question can be solved using mole concept as:

Q: A chemist needs 225 mL of 3.0 M HCl. What volume of 12 M HCl must be dissolved in water to form this…

A: Given: Volume of HCl (V1)=225 ml Molarity of HCl (M1)=3.0 M M2=12 M To find: V2 Solution: According…

Q: If you add 250 ml of water to 250 ml of a 0.8M NaOH solution, what will the molarity of the diluted…

A:

Q: A saline solution with a mass of 400 g has 30 g of Nacl dissolved in it. What is the mass/mass…

A: Mass percentage depend mass of solute and mass of solution.

Q: 3% mass solution (d = 1.02 g / ml) of NaOH has pOH: a) 3 b) 0.116 c) 13.89 d) 1,16

A: The Molarity of the solution can be calculated by - M = % × d ×10/MM Where - M = Molarity = ? % =…

Q: To what volume should you dilute 150.0 ml of an aqueous 6.00 M iron (II) bromide solution so that…

A: We are required to find out the volume to which 150.0 mL of 6.00 M of Iron(II) bromide solution is…

Q: 100 90 80 NaNO 70 60 CaCl 50 Pb(NO3)2 40 NaCi 30 KCI 20 KCIO3 10 Ce,(SO,)a O 10 20 30 40 50 60 70 80…

A: Given: The solubility of 42 g KCl=42 g. Temperature of the KCl solution=500C.

Q: What is the molarity of a solution prepared using the given amount of solute and total volume of…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: A sulfuric acid solution contains 571. 6 g of H2SO4 in one liter of solution and it has a density of…

A:

Q: 3. Dioxin (MM = 321.97 g/mol) is one of the most toxic compounds on the planet and the EPA has set…

A:

Q: You want to prepare 450.0 mL of a 145 ppm K+ ion solution.  The density of the solution is 1.01…

A: 1 mg solute per 1 kg of solution is known as 1 ppm.

Q: A solution is prepared by dissolving LiCl in water. What is the mass percentage of water in a…

A: The mass percentage of water in a solution is calculated using the following formula: Mass% of…

Q: What volume of a 1.00 M stock solution of glucose must be used to make 500.0 mL of a 1.75 x 10-2 M…

A:

Q: Help

A: Given, Initial molarity of stock solution, M1 = 2.50 M Final molarity of the solution, M2 = 1.25 M…

Q: What volume of a stock solution of a 0.35 M Na2PO4 is needed to prepare 150 ml of a 0.2 M Na2PO4…

A: Given: Molarity of Na2PO4=0.35 M (Stock=M1) Volume=150 ml M2=0.2 M To find: Volume of stock solution…

Q: 90 NANO, 80 70 60 CaCl 50 Pb(NO,)2 40 NaCi 30 KCI 20 KCIO, 10 Ce,(SOJa O 10 20 30 40 50 60 70 80 90…

A: Given data: The temperature of a saturated solution of Pb(NO3)2 = 30°C. The mass of Pb(NO3)2 that is…

Q: What is the molarity of a 0.50 L sample of a solution that contains 1.50 mol of sodium hydroxide…

A: one mole (solute) compound contains in 1L solvent  called molarity Molarity = number of moles/volume…

Q: Calculate the molarity of 25.0 grams of KBr dissolved in 750.0 mL pure water. (K = 40 g/mol; Br = 80…

A: Given, mass of KBr =25.0 gramvolume of solution =750.0 mL =0.750 Latomic masses (K =40 gmol  ; Br…

Q: If a solution contains 6.8 ppm (m/v) of a solute, how many grams of that solute would be present in…

A: The mass of solute in mg present in a one-liter solution is known as ppm (parts per million)…

Q: How do you prepare 0.4 N 500 mL hydrochloric acid solution by using 37% by mass HCl solution with a…

A:

Q: 3) Calculate the molarity of a solution containing 2.50 g of copper(II) chloride, 2.50 L of…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Identify the solute and solvent in each of the solutions. A. table sugar (C12H22O11)(C12H22O11) in…

A: A solute is what dissolves in solvent. A solute is usually present in smaller quantities than the…

Q: What is the molarity of an 85.0-mL ethanol (C2H5OH) solution containing 1.77 g of ethanol?   What…

A: The answers to both questions are given as:

Q: If you add 250 ml of water to 250 ml of a 1.4M NaOH solution, what will the molarity of the diluted…

A:

Q: What mass (in grams) of Mg(NO3)2 is present in 145 mL of a 0.150 M solution of Mg(NO3)2? a) 3.23 g…

A: Since moles of Mg(NO3)2  Present = molarity of solution X Volume of solution in L Molarity of…

Q: how many grams of solid, anhydrous iron (II) chloride do they need to use? 27.9 g If a student wants…

A:

Q: Say you have 2.50O M CASO, solution and you need 300. mL of 0.400 M CaSO4. How can you prepare this…

A: Given data Stock solution : molarity , M1 = 2.50 M Required solution : molarity M2 = 0.400 M…

Q: A student is standardizing a sodium hydroxide solution.  He used 23.22 mL of NaOH to neutralize…

A:

Q: 1. Calculate the normality of 0.321 g sodium carbonate (106.0 g/mol) when it is mixed in a 250 mL…

A:

Q: A 0.150 M sodium chloride solution is referred to as a physiological saline solution because it has…

A: A numerical problem based on analytical process that is to be accomplished.

Q: A solution containing 150 grams of CaCl2 (110.98 g/mol) is dissolved in 1.00 L of water. 1a) What…

A: Given  To know about  the molarity and mass percentage  A solution containing 150 grams of CaCl2…

Q: What is the molarity of an KBr solution that contains 5.5 g of KBr in 40.5 mL of solution? a. 0.534…

A: Molarity  Moles of solute present  in one liter of solution known as molarity of solution. Molarity…

Q: Suppose we want to express the concentration of a 0.396m glucose (CeH;2O6) solution in molarity.…

A: Molar mass is the mass expressed in grams of 1 mole of a substance. It is specific for a given…

Q: Solution X 100 mL of 0.10 M NAOH(aq) is mixed with 100 mL of 0.10 M HBr(aq) Solution Y 100 mL of…

A:

Q: A 25.0 mL sample of a 30.0%(w/w) HF solution has a density of 1.101 g/mL. The sample is diluted to a…

A: 1) Calculate the mass of HF in 25.0 mL solution 30.0w/w %  solution. (w/w)% indicates the mass of…

Q: . A chemist wants to make 100 of a 0.15 M AlCl 3 (aq) solution. How many grams of aluminum chloride…

A: Applying mole concept.

Q: You have 6.79 mL of  a 0.415 M aqueous solution of Sodium Bicarbonate (NaHCO3). You add all of this…

A:

Q: Jisoo was asked to prepare a 50.0ml solution containing 5.00g of CuCl₂ for the class. However, she…

A:

Q: Describe how you would prepare each of the following aqueous solutions, starting with solid KBrKBr.…

A: The question is based on the concept of molality. Molality is defined as the number of moles of…

Q: A 1.00 L NAOH stock solution has a molarity equal to 0.5 M, what is the final concentration when 200…

A: Solution :     Molarity is used to determine the concentration.It is the ratio of number of moles of…

Q: solution of Ca(NO3)2 at 1.903 M is diluted from its original volume of 0.7865 L by adding 0.6115 L.…

A: Given that: Initial concentration(M1) = 1.903M Initial volume(V1) = 0.7865L Final volume(V2) =…