If you were to add 22 grams of medium to 1000 ml of distilled water. How many grams should you weigh to prepare 250 ml of medium?

Q: alcohol

A: Dear student I have given answer to your question in the image format.

Q: An aqueous solution of magnesium nitrate, Mg(NO)2, contains 2.92 grams of magnesium nitrate and 17.7…

A: Given :- mass of magnesium nitrate = 2.92 grams Mass of water = 17.7 grams  To calculate :-…

Q: A reagent bottle is labelled 3.00 M sulfuric acid. You titrate a 25 mL sample with 1.58 N sodium…

A: neutralisation reaction are reaction where the acid and base react to form a salt and water here we…

Q: 3. A 1.20-gram sample of a hydrated salt is heated to a constant mass of 0.80 gram. What is the…

A: Introduction: The amount of water in a hydrated salt can be determined by drying the hydrated salt.…

Q: What volume of 0.204 M NaOH, in milliliters, contains 35.0 g of NaOH? Volume = mL

A: NaOH has a molar mass of 39.997 g/mol. This means that one mole of NaOH has a mass of 39.997 g.…

Q: A 10.5%(w/w) NiCl2 solution has a density of 1.149 g/mL. What is the mass in grams of Ni2+ contained…

A: Given : 10.5%(w/w) means 10.5 grams of NiCl2 (solute) present in 100 grams of solution. Mass of 1 L…

Q: 1) What mass of NaOH (in grams) do you need to make 250.0 mL of a 1.50 M NaOH

A: The molarity of the solution is given by the equation, molarity=moles of solutevolume of solutionL…

Q: What volume of 0.135 M NaOH, in milliliters, contains 31.0 g of NaOH?

A:

Q: Enter your answer in the provided box. Calculate the following quantity: volume of 1.86 M calcium…

A: This problem can be solved by using the molarity equation :…

Q: In the laboratory you dilute 5.53 mL of a concentrated 12.0 M perchloric acid solution to a total…

A: The molarity of a solution is given by:

Q: What volume of 0.220 M NaOH, in milliliters, contains 45.0 g of NaOH? Volume mL %3D

A:

Q: What mass of NaOH would you need to prepare 100.0 mL a 0.50 M solution of NaOH from scratch?

A:

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: In the laboratory you dissolve 22.9g of magnesium iodidein a volumetric flask and add water to a…

A: Since the molar mass of magnesium iodide i.e MgI2  = Atomic mass of Mg + 2 X Atomic mass of I  Hence…

Q: A sample of pure acetyl salicylic acid had a mass of 0.268 grams. It was dissolved in NaOH and…

A: Concentration of aspirin is expressed in term of molarity. Molarity is the number of moles of solute…

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

A:

Q: How many grams of KIO3 is required to prepare 250 mL, 0.01 M KIO3(aq) solution?

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

Q: What volume of 1.12 M KMN04, in liters, contains 271 g of solute? Volume = 1.92

A: Molarity of KMnO4 = 1.12M Mass of solute, KMnO4 = 271g Molar Mass of solute, KMnO4 = 158g/mol Volume…

Q: In the laboratory, you dissolve 19.9 g of cobalt(II) chloride in a volumetric flask and add water to…

A: Given, amount of cobalt(II) chloride w = 19.9 g volume of solution V = 125 mL = 0.125 L we are asked…

Q: What is the mass in grams of NaCN in 120.0 mL of a 2.40 × 105 M solution?

A:

Q: How many milligrams per liter are equivalent to a 1.2% solution of a substance in water?

A: The answer is given below-

Q: Suppose you need to prepare 125.5 mL of a 0.256 M aqueous solution of NaCl.  What mass, in grams,…

A: * Volume of solution = 125.5mL          But 1 mL = 10-3 L * Volume of solution = 125.5 × 10-3 L…

Q: You add water to 125 mL of 1.6 M LİCI to obtain 1.0 L of solution, what is the new concentration of…

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

Q: Enter your answer in the provided box. How many grams of solute are needed to make 870 mL of 6.46 x…

A: Given data: Volume = 870 mL Concentration of potassium sulfate = 6.46×10-2 M

Q: If 22.6 grams of an aqueous solution of zinc chloride, ZnCl,, contains 5.33 grams of zinc chloride,…

A:

Q: For an experiment you need to prepare 3.80 liters of a 2.25 M NaOH solution.How many grams of NaOH…

A: Molarity is one of the concentration term which is used to define the concentration of a solute in a…

Q: From the information below, determine the mass of NH3 in 500 grams of concentrated ammonia?Ammonia,…

A: The ammonia solution is 28% by mass of solute; this means that 100 mL of the solution contains 28 g…

Q: Imagine you must prepare 50 mL of a 2M HCl solution.

A: To prepare 50 ml of a 2M HCl solution:

Q: What volume of 1.24 M KMnO4, in liters, contains 422 g of solute? Volume %3D

A: In order to find the volume of the solvent required we first write down the given data: Molarity=…

Q: In the laboratory, a student dilutes 18.4 mL of a 6.23 M hydrobromic acid solution to a total volume…

A: Given information: C1 = 6.23 M V1 =18.4 mL V2 = 200.0 mL

Q: You want to clean your whole bathtub (280 L) with vinegar but you can't afford 280 bottles of…

A: We are using here 100 mL of vinegar in 280 mL of bathtub then we can calculate the volume…

Q: What mass of KBr (in grams) should you use to make 250.0 mL of a 1.20 M solution of KBr? Express the…

A: We have to predict the mass of salt needed.

Q: Is a solution a homogeneous or a heterogeneous mixture?Give an example of an aqueous solution.

A: Homogenous mixtures are those mixtures in which there is a uniform distribution of components…

Q: A student uses a pipette to dilute 1.00 mL of a standard iron solution to 50.0 mL. If the µg what…

A:

Q: On their third titration trial, the CHM 111 student used 18.80 mL of 0.205 M NaOH(aq) to neutralize…

A: Balanced Reaction HCl (aq) + NaOH (aq) ---> H2 O (l) + NaCl(aq)  Volume of NaOH = 18.80 mL…

Q: A stock sulfuric acid solution contains 98.0% of sulfuric acid, and its density is 1.840 g/mL. How…

A:

Q: What volume of 0.244 M NaOH, in milliliters, contains 30.0 g of NaOH? Volume mL %3D

A: Molarity of the solution is obtained by dividing the number of moles of solute by the volume of…

Q: What is the mass of sodium iodide in 50.0 mL of 2.63 x 10 -2 M NaI( aq)?

A: Volume = 50.0 mL = 0.050 L Molarity = 2.63 × 10-2 M  Mass of NaI = ?

Q: 50.0 kg mixture of salt and water is 15.0% (by mass) salt. Give the mass of the salt and water in…

A:

Q: What does it mean when we say that a 200-mL sample and a 400-mL sample of a solution of salt have…

A:

Q: How many grams of solute are present in 635 mL of 0.110 M KBr?

A: Given  molarity of KBr = 0.110 M Volume of solution = 635 mL = 0.635 L molar mass of KBr = 119.02…

Q: What is the molarity of sodium chloride in solution that is 13.0 % by mass sodium chloride and that…

A: Given, density of NaCl = 1.01 g/mL Mass % = 13.0 % Molar mass of NaCl = 58.44 g/mol Molarity of NaCl…

Q: In the laboratory you dilute 2.56 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: In the laboratory you dilute 2.53 mL of a concentrated 12.0 M hydrochloric acid solution to a total…

A:

Q: What volume of 1.24 M KMnO4, in liters, contains 422 g of solute? Volume = %3D L

A: Given, Molarity of KMnO4 solution = 1.24 M = 1.24 mol/L Mass of solute = 422 g

Q: Consider a solution prepared by combining 45.0 g of BaCl2 with enough water to prepare a 750.0 mL of…

A: Given information: Mass of barium chloride = 45.0 g Volume of solution = 750.0 mL Concentration of…

Q: To what volume should you dilute 50 mL of a 13 M stock HNO3 solution to obtain a 0.105 M HNO3…

A: The volume of diluted solution can be calculated using the equation (1). In this equation, M1 and V1…

Q: In the laboratory, a student dilutes 11.8 mL of a 11.1 M perchloric acid solution to a total volume…

A: molarity is defined as the number of moles upon the volume  molarity =molesvolume

Q: A typical dose of iron (II) sulfate (FeSO4) used in the treatment of iron-deficiency anemia is 0.35…

A: