How many milliliters of a 10% magnesium chloride (MW: 95.21 g/mol) solution contains 30 mEq of magnesium ion?

Q: What is the molarity of a solution containing 27.5 g KBrd water to make 2.00 L of solution?

A: The given data contains,   weight of KBr =27.5 g   volume =2 Litre

Q: A pharamacist prepares a solution by adding 3.00 mg of sodium ions to 114 g of water. How many ppm…

A: Number of moles of a chemical compound is used to measure the amount of the compound in the given…

Q: Alcoholic beverages come in many different concentrations denoted by their weight percent (w/w). If…

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Q: An isotonic solution contains 25.76 grams of glucose (C6H12O6; molar mass = 180.2 g/mol) dissolved…

A: Isotonic solution means the solution which contains solute in the same concentration, as another…

Q: I want to make 500 mL of HCl solution with MHCl concentration = 0.1 moL/L from HCl solution which…

A: Given that -  Volume of HCl Solution = 500 mL  Concentration of this Solution = 0.1 mol/L = 0.1 M…

Q: What is the normality of a solution that contains 70 grams of HCl in 1 L of H2O?

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: What is the %m/m concentration of a solution made by adding 24.493 g of glucose to 360 g of water?…

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Q: What is the molarity of a solution made of 16.9 % Na2SO4 (% m/m) if the density of the solution is…

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Q: What volume of a 6M sodium hydroxide solution will give you 20g of sodium hydroxide?

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Q: How many grams of lithium bromide (LiBr) must be added to 31.7 g of water to prepare a 21.3% (m/m)…

A: Mass Percentage is the simplest way of expressing the value of the concentration of an element…

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: Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person…

A: 1. Molarity=Moles of solute/Volume of solution (in litres)

Q: A student needs to prepare 50.0 mL of a 1.00 M aqueous H₂O₂ solution. Calculate the volume of 5.1 M…

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Q: A student peeled the skins from grapes, exposing cells with membranes that are only permeable to…

A: A solution that contains higher solute concentration is termed hypertonic. When a system or a cell…

Q: How much glucose, C6H12O6 (MM=180.18g/mol), in grams, to produce 75.5mL of a 0.500M C6H12O6…

A: The molar mass of glucose is 180.18 g/molTherefore,1 mol of glucose contains 180.18 g of glucose

Q: A solution is formed by adding 29.4 g of ammonium nitrate (NH4NO3) to 201 g of water. What is the…

A: Percent by mass of ammonium nitrate = (mass of of ammonium nitrate in solution / total mass of…

Q: hat is the mass percent of sodium chloride in a solution prepared by adding 1.00 g of sodium…

A: Mass percent = mass of component X 100 / total mass of sample

Q: what is the normality of a solution that contains 7.08 g pf H3PO4 in 185 mL of solution

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Q: A student dissolves 7.4 g of glucose (CH,0,) in 150. mL of a solvent with a density of 1.11 g/mL.…

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Q: 1. The label on a 300 ml stock bottle reads 30% alcohol by volume. What volume of alcohol does it…

A: Given:            Volume of Stock solution: 300ml             % of Alcohol by volume(Volume…

Q: 0.2356 g sample containing only NaCI (58.44 g/mol) and BaCl (208.23) g/mol) yielded 0.4637 g of…

A: The first question involves determining the percent composition of a sample that contains two…

Q: In order to prepare 10% 100 mL of HCl solution from 37% HCl solution, how many mL of concentrated…

A: For Concentrated HCl solution : Concentration, C1 = 37 % Volume, V1 =? For New HCl solution :…

Q: Calculate the volume in liters of a 0.0069/mmolL calcium sulfate solution that contains 2.00mol of…

A: Concentration= 0.0069 mmol/LMol of calcium sulfate= 2.00 mol

Q: How is 250 mL of 0.5M CsCl prepared? MW: Cs: 132.91 g/mol; Cl: 35.45 g/mol

A: Given, Molarity of CsCl solution = 0.5 M = 0.5 mol/L Volume of the solution = 250 mL = 0.250 L…

Q: What is the percent by mass of HCLO4 in the solution

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Q: What volume of 0.5 M NaCl solution contains 212.9 grams of NaCl?

A: Molarity is the number of moles of solute dissolve in one litre of the soltion.

Q: How many moles of CoCl3 are in 172.6 ml of a 19.6 mass % solution of CoCl3 which has a density of…

A: We have volume of solution as 172.6 mL, having density of 1.206 g/mL . We have 19.6% mass percentage…

Q: 25.0 % (w/w) solution of aqueous HCl.

A: Chemical reactions are written in terms of moles of reactants and products. Different concentration…

Q: The mass of carbon dioxide present in 250 mL of the solution is

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Q: Calculate the molarity of a solution containing 247g of H2SO4 in 1500 mL of solution

A: Mass of H2SO4=247 g  Molar mass of H2SO4=98.079 g/mol Volume of the solution = 1500 mL = 1500/1000…

Q: Alcoholic beverages come in many different concentrations denoted by their weight percent (w/w). If…

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Q: 5. A sample of saline contains 45 ml of saline in 128 ml of water. What is the percent by volume of…

A: Solution :       Concentration in percentage by volume is expressed as the fraction of volume of…

Q: the density of a 3.539 M HNO3 aqueous solution is 1.150 g x mL-1 at 20 Degrees C. What is the molar…

A: Given Molarity = 3.539 M Density = 1.15 g/ml

Q: Using the data below, determine the solution that has the lowest density. Data of Various Solutions…

A: The relation between mass density and volume is as follows: Density = mass/ Volume     ......... (1)…

Q: In separate containers, a scientist has an excess of 30% and 80% butanol solution. How many…

A: Mass percentage is defined as the quantity of solute present in 100 grams of solution.

Q: What is the concentration in molarity of an aqueous solution which contains 1.15% by mass acetone…

A: 1.15 % by mass , 100 g solution contains 1.15 g actone Moles of Acetone =1.15/58.08       = 0.0198…

Q: How many grams of MgCl2 are there in 191 grams of an aqueous solution that is 6.70 % by weight…

A: Given: Weight % of solution = 6.70 % mass of aqueous solution = 191 g

Q: household bleach contains 6% sodium hypochlorite. How much household bleach should be combined with…

A: Answer: In this question we have to find out volume of household bleach needs to be mixed in weaker…

Q: The concentration unit one part per billion (one ppb) is equivalent to one _____ of solute per _____…

A: In this question, we will see that 1ppb is equivalent to which unit.  ppb and ppm both are…

Q: What is the concentration in molarity of an aqueous solution which contains 2.57% by mass acetone…

A: 2.57% by mass means 100g of solution contains 2.57g of acetone.

Q: find the concentration in terms of molarity if this solution is diluted to 0.75 L

A: Volume (V) = 0.75 L Weight of non electrolyte (solute) = 60 gm Molar mass of solute (MM) = 200…

Q: solution is 32% (g/g) lithium nitride in water. If you have 0.69 moles of lithium nitride, how many…

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Q: How many millilitres of concentrated sulphuric acid, 99.0%, density 1.831 g/cm3, are required to…

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