How many milliliters of a 100x solution are needed to make 30mL of a 3x solution?

Q: A solution contains 4.1 x 10-4g of CI per kilogram of solution. What is this in ppm? Answer to 2…

A: We have given that  1.A solution contains 4.1 x 10-4 g of Cl- per kilogram of solution. What is this…

Q: How many milliliters of a 6.87 M NaOH solution would be needed to prepare each solution?   a. 575 mL…

A: a. Let x mL 6.87 M NaOH is required.  Hence, x*6.87 = 575*2.54  (V1S1 = V2S2) Or, x =…

Q: A physician orders 20 mcg of Lanoxin every 12 hours. 1mg/100mg lanoxin is available. How many will…

A: Drugs are available in formulations that can be easily applied on or taken in by the patient…

Q: A student wants 51.0 mL of a 1.50% saltwater solution. They only have a 5.00% stock solution. How…

A: The student require 51.0 ml of solution with concentration 1.5%. The concentration of stock is 5%…

Q: ow many milliliters of a 12.0 M HCl solution are needed to prepare 250.0 mL of a 2.50 M HCl solution

A: Molarity: It can be defined as, "Number of moles of the solute dissolved per liter of the solution".…

Q: How many mL of ethanol are contained in a 40.-mL portion of a mouthwash that has 6.2% (v/v) of…

A: We have to calculate the volume of ethanol.

Q: How many grams of Cu(NO3)2 are in 3.00 liter of a 0.50 M solution?

A: Molarity = number of moles of solute / volume of solution in L  number of moles of solute = Molarity…

Q: What volume of water would you add to 15.0 mL of 12 M HCl to make it to 6.0 M solution?   * 10 mL…

A: Given: Initial concentration of solution, M1 = 12 M The initial volume of solution, V1 =15.0 mL…

Q: How much of a 25X solution do you need to prepare 275 mL of a working solution?

A: A stock solution is a concentrated solution that is diluted to lower concentration. Stock solutions…

Q: suppose we need 500ml of 3M fluoric acid from 15M stock solution. how much stock solution we need?

A: Given :  Concentration of stock solution (M1) = 15M  Concentration of dilute solution (M2) = 3M…

Q: What is the volume of a 20% methyl solution that contains 15mL of methyl? a. 6 ml of methyl b. 4 mL…

A:

Q: 2. If the patient is to be given 120 mcg of levothyroxine via IV infusion and the vial contains 0.4…

A: There are various units of mass used for any system-  1- microgram = mcg 2- milligram = mg 3- gram =…

Q: How many mL of 15.1 micromolar stock solution are needed to make 50.0 mL of 4.53 micromolar…

A: Dilution :-  If a stock solution of molarity M1 and volume V1 is diluted by adding water to a…

Q: 2³ solve the following show complete solution.

A: Fff

Q: Calculate the volume in milliliters of a  0.32/molL  iron(III) bromide solution that contains…

A: Given, mass of FeBr3 = 75.0 g  Molarity = 0.32 mol/L = 0.32 M

Q: Given the stock solution (0.017 M) and diluted solution (0.012M) can you help me compute with How…

A: A question based on mole concept that is to be accomplished.

Q: How many milliliters of ethanol are in 500.0 mL of 40.0 % (v/v) ethanol?

A: Percentage by volume of any solution can be determined by dividing volumeof solute by volume of…

Q: How many mL of 15.1 micromolar stock solution are needed to make 50.0 mL of 6.04 micromolar…

A: Consider the given information is as follows; Concentration of stock solution M1=15.1 μM Volume of…

Q: A student wants 35.0 mL of a 2.19% sugar water solution. They only have a 17.0% stock solution. How…

A: Let 'y' milliliters of the 17.0% stock solution is used to make the 2.19% sugar water solution. 17%…

Q: Calculate the volume in milliliters of a 1.3 mol/L iron (III) bromide solution that contains 125.g…

A:

Q: he doctor's order says: Vancomycin 2,000 mcg IV. The instructions on the vial of Vancomycin says to…

A: Solution - According to the question - Given - IV (Intra venous injection) 1000 mcg = 1 mg ancomycin…

Q: How many mL are in 0.50 quarts

A: A question based on dimensional analysis that is to be accomplished.

Q: You are asked to prepare a 50 mg/mL solution of hydrocortisone for an injection. You have 5 mL of a…

A: Concentration of the solution is the ratio of number of moles to volume of solution.…

Q: How many mL concentration 15 M sulfuric acid solution will I need to make 500 mL of 1.5 diluted…

A:

Q: Ringer's solution contains 6 g of sodium chloride, 0.3 g of potassium chloride and 0.2 g of calcium…

A: Answer: Molar mass of Sodium chloride is 58.5g/mol, therefore…

Q: You have a stock solution that is 18% (m/v). You need 25 mL of a 3% solution. How much of the stock…

A:

Q: How much NH4Cl is required to prepare 100mL of a solution containing 70mg NH4Cl per mL?

A: A solution is defined as a homogeneous mixture of two or more substances. A solution that consists…

Q: Given the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How…

A: Given: Concentration of stock solution = 0.019 M Concentration of dilute solution = 0.013 M Volume…

Q: A390 ml IV bag contains "12 normal saline" (a0 45% NaCl and water solution) How many grams of salt…

A:

Q: You have available a stock solution of 1.500M CuSO4. You need to prepare 500.0mL of 0.3000M CuSO4…

A: The solution is given below -

Q: How much water (mL), drops of blue food dye, and bleach (mL) is needed to make a solution to achieve…

A: Here is what we think about. 8 drops of food dye require 8 mL bleach, and if it takes 15 minutes, 8…

Q: How many milliliters of stock tea is required to prepare a 1% tea solution using a 50 mL volumetric…

A: Given, Percent of tea solution = 1 % Volume of the flask = volume of the solution = 50 mL Volume (in…

Q: How to prepare 250 ml of 98% H2So4 solution with a density of 1.98 g / ml? (H2So4: 98 g / mol

A: Volume of solution is 250 mL Density of solution is 1.98 g/mL Thus we calcuate mass of solution from…

Q: calculate the percent by volume of ethical given 6.55 mL of ethanol in 17.83 mL of solution

A: Given : Volume of ethanol=6.55 mL Volume of the solution= 17.83 mL The percent by volume has to be…

Q: How many grams of NaNO3 are needed to prepare a 75.00 mL solution that is 6.5% (m/v)?   6.5 grams…

A:

Q: Calculate the volume in milliliters of a 3.60 M calcium bromide solution that contains 400.mmol of…

A: Molarity:The molarity of the solution can be defined as the number of moles of the solute present in…

Q: You have a stock of 5.0 M NaCl. If you want to make 300.0 mL of .150 M NaCl, how many milliliters of…

A: M1= 5.0 M V1=300.0mL M2=0.150M V2=?

Q: How would a technician make 50 mL of a 2% w/v NaCl solution?

A: We have to make 2% w/v NaCl solution.  Volume of solution should be 50 mL.  To make this solution we…

Q: How many ml of HCl are in 500ml bottle if the bottle is 2%

A: The information available in the given question are,   Total volume of the solution = 500 mL…

Q: How many grams of KI would be needed to make 250 mL of 1.5 M solution?

A: KI solution molarity ; 1.5 M = 1.5 mol/L Volume of solution ; V = 250 mL = 0.250 L

Q: grams of calcium chloride must have been added to make 100.0 mL of 4.5 Eq/LCa2+ solution?

A:

Q: How many milliliters of concentrated nitric acid, 16 M HNO3, will you use to prepare 7.50 x 102 mL…

A: M1V1 = M2V2 Where, M1 = initial molarity; M2 = final molarity; V1 = initial volume; V2 = final…

Q: A student wants 83.0 mL of a 11.5% sugar water solution. They only have a 17.0% stock solution. How…

A: Given  Percentage of Sugar stock stock solution  = 17%  Volume of Target sucrose solution ( V2 ) =…

Q: Which of the following is the correct method for creating 100mL of 6M ac from a 12M stock? O Measure…

A: Molarity is the measure of concentration of the solution. Higher the molarity, greater will be the…

Q: Question attached

A: Given: Weight of morphine to be served = 2 mg Weight of morphine in 1mL of solution = 10 mg Weight…

Q: How many milliliters of a 0.350M KOH solution contain 0.0171mol of KOH?

A:

Q: How many milliliters of 2.0 M sulfuric acid are needed to make 400.0 mL of 1.00 M H 2SO 4? 0.00500…

A: Given M1 = 2 M V1 = ? M2 = 1 M V2 = 400 ml

Q: How many grams of sodium chloride (NaCl) are needed to prepare 500.0mL of a 0.100M solution?

A: * Molarity = moles/volume of solution in L * Mole = mass / molar mass   sodium chloride (NaCl) =…

Q: You are asked to prepare a 10% solution using 10 g of a powder that occupies 14 mL. How much diluent…

A: Answer :-  (b) 86 mL  To prepare 10% solution using 10 g powder that occupies 14 mL we add 86 mL…

Q: Calculate the volume in milliliters of a 0.587M iron(II) bromide solution that contains 50.0mmol of…

A: We know that 1 millimole is 10-3 moles50  We are given that,f a 0.587M iron(II) bromide solution has…