Please calculate the grams of each substance needed to make the following solutions: Fifty milliliters (50) of a 100 mM potassium phosphate solution

Q: How many grams are needed to prepare 1L of 2mM .2 ?(solution of Ethyl alcohol (46g molecular mass

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

Q: How many moles of ammonia are in 375. mL of a 2.25 M aqueous ammonia solution?

A: Given values are, Molarity= 2.25 M = 2.25 mol/L Volume of solution = 375 mL=0.375 L

Q: Calculate the molarity of solution. 32.4 mg NaCl in 122.4 mL of solution

A: Molarity (M) Molarity is used to express concentration of a solution molarity(M)=number of moles of…

Q: Calculate the solution volume in liters of a 10.84 M solution containing 2.96 moles of solute.

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

Q: A 500 mL of 3.0 M NaOH solution was diluted in order to produce a 1.0 M solution? What is the volume…

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Q: A doctor orders that a patient receive 0.0036 mole of sodium chloride.  The only solution available…

A: Given a solution: 5.00 g per 500 mL NaCl solution. moles of NaCl required = 0.0036 mol Using the…

Q: Calculate the mass of sodium chloride (NaCl: 58.44 grams/mole) needed to prepare 500.0 mL of a 0.12…

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Q: ow many g of barium fluoride are needed to prepare 43.6 mL of a 1.55 M solution of barium fluorid

A: The molarity is the concentration term which is the number of moles of solute per liter volume of…

Q: Given a 28.6% solution by mass of ethylene glycol in water, what mass of solution is needed to…

A: Given, Solution % = 28.6 % Mass of ethylene glycol = 10.0 g  Mass of solution = ? The formula used…

Q: what volume (in mL) of a 2.66 M glucose solution contains 0.605 moles of glucose?

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Q: Calculate the molarity of a solution that contains 17.00 grams of NaCl in 766.00 mL of solution.

A: The number of moles of a species is calculated by expression (1), in which, n is the number of…

Q: How many liters of a 5 M NaOH stock solution would you need to make 700 mL of a 253 mM NaOH…

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Q: How many moles of Calcium chloride are in 40.1 mL of a 3.0 M of CaCl2 solution?

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Q: How many liters of a 0.114 M NaOH solution contains 150.0 g of NaOH

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Q: How many grams of sodium sulfate, Na2SO4, are required to prepare 200. mL of a 0.150 M sodium…

A: Given: Molarity of Na2SO4 solution = 0.150 M Volume of solution = 200 mL

Q: How many gallons of a 5% salt solution must be mixed with 50 gallons of a 7% solution to obtain a 6%…

A: A given salt solution can be obtained by the assembly of the cations and anion which means they…

Q: Sand is insoluble in water. The chemical formula for sand is SiO2. How many grams of sand do you…

A: Molarity is defined as the number of moles of solute dissolved per liter of the solution. Molarity,…

Q: What mass of water is necessary to prepare each of the following solutions? Express your answers…

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Q: A 7.50% potassium chloride solution is prepared by dissolving enough of the salt to give 100.0 g of…

A: The percentage by mass of the solution means the mass of the solute present per 100g of the…

Q: If a stock solution of 25.0 g of sugar per 100. mL of solution is available, how much of this stock…

A: The amount of sugar in diluted solution is calculated as,

Q: A dioxin-contaminated water source contains 0.066 % dioxin by mass. How much dioxin is present in…

A: To solve this problem we will use the formula  % of dioxin = (mass of dioxin / mass of solution) ×…

Q: How many grams of solute are present in: a.225 grams of 12.5% MgCl2 solution? b.736 milligrams of…

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Q: volume

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Q: How many moles of the indicated solute does each of the following solutions contain?  a) 3.60 mL of…

A: The relationship between the moles of solute and concentration is given by  moles of solute =…

Q: If 25.0 mL of a 4.20 M HCl solution is diluted to 2.00 L, what is the molarity of the new solution

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Q: How many moles of solute are contained in each solution?   a. 550 mL of a 0.34 M NaNO3 solution: b.…

A: MOLARITY = no. of moles /1 L of solution 1 liters of solution contains 0.34 moles of NaNO3 so 550 ml…

Q: What is the concentration of a solution that contains six moles of solute in 2 L of solution?

A: Solution: Molarity(M) indicates the number of moles of solute per liter of solution(m/L) and is one…

Q: mass

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Q: Please calculate the grams of each substance needed to make the following solutions: One-half…

A: First of all calculate the number of moles of solute require to prepare the given solution, by using…

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: grams

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Q: A solution is 20% m/v. What is the mass of dissolved solid in 150 ml of the solution?

A: Given: %(m/v) of solution = 20 % And volume of solution = 150 mL

Q: Calculate the mass percent of a vinegar solution with a total mass of 97.67 g that contains 3.73 g…

A: the mass percent of solution = mass of analyte * 100 / mass of solution i.e. the mass of solute…

Q: How many grams of magnesium chloride are needed to prepare 550 mL of a 0.85 M solution?

A: Molarity = Number of moles/Volume in litre Number of moles = Molarity×Volume in litre…

Q: How many grams of Calcium Chloride in 100.0 mL of 1.8 Moles solution?

A: The volume of the solution is = 100.0 mL The molarity of the solution is = 1.8 M The mass of calcium…

Q: What mass of an aqueous 22.5% sodium chloride solution contains 87.5 g of water? 132 g 58.0 g 42.8 g…

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Q: What mass of an aqueous 33.7% sodium chloride solution contains 88.1 g of water?

A: Given Mass of water mass ℅ of sodium Chloride = 33.7 ℅

Q: Calculate the molarity of a solution that contains 50.0 grams of naoh in 750 ml of solution

A: The molarity of any solution is given by  Molarity = moles of solute / volume of solution in L

Q: Please calculate the grams of each substance needed to make the following solutions: 55.6 mL of a…

A: In the given question we have to calculate the grams of substance to make the solution.…

Q: Calculate the mass of KI in grams required to prepare 5.00 x 104 mL of a 3.0 M solution.

A: Given,Mass of KI = ?Volume of KI = 5.00 *102mLMolarity of KI = 3.0M

Q: Calculate the mass of NaCl ina 45 mL sample of a 1.8 M NaCl solution.

A: Stoichiometry is mainly based on the calculation of moles and volumes. These two values are used to…

Q: How many milliliters of an 11.6 M sodium phosphate solution is needed to obtain 0.255 moles of the…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: Household hydrogen peroxide is an aqueous solution containing 3.0% hydrogen peroxide by mass. What…

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Q: Find the mass of Na2CO3 required

A: Given: Volume of solution= 134 mL                                                            or…

Q: Calculate the following quantity: volume in liters of 0.190 M  manganese(II) sulfate that contains…

A: Given information: Mass of manganese (II) sulfate = 25.7 g Molarity of solution = 0.190 M

Q: Calculate the molarity of an aqueous solution that is 20.1% by mass calcium chloride. You might need…

A: Given: solution is 20.1 % by mass let mass of solution be 100 g mass of CaCl2 = 20.1 g mass of…

Q: Determine the mass of NaCl needed to make the following solution: 2.7 % NaCl in a total volume of…

A: given mass/volume ℅ = 2.7 volume of solution = 146 ml

Q: How many milliliters  of water should a chemist add if they want to prepare an .200 m Aqueous…

A: Molarity=No of moles salute x 100Volume of solution in mlNo of moles of salute=given massmolar…

Q: At 20 degrees C , an aqueous solution that is 18.0% by mass in potassium bromide has a density of…

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Q: An aqueuos solution contains 6.00% (by mass) NaBr (sodium bromide). The density of the solution is…

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