How much water, in mL, needs to be added to 29.7 mL of 11.2 M HNO3 to make a 6.05 M solution with the same amount of moles of HNO3?   Record 3 significant digits in your answer. Don't type units in.   Round your answer to 3 significant figures.

Q: A solution is 12.3% ethanol in water.If the solution has 75.0 mL of water, how many of ethanol do…

A: Applying concept of percentage.

Q: What is the percent by mass NaCl of a solution that contains 86.6 grams of BeO and 127.2 grams of…

A: The solution is a homogeneous mixture of solute and solvent. The solute dissolves in a solvent, in…

Q: A chemist prepares a solution of calcium sulfate  CaSO4  by measuring out  0.341g  of calcium…

A: The solution is as follows :

Q: What is the concentration of your stock solution in mM?

A: 1% means 1/100 So, 0.1% = 0.1/100 Thus, 0.1% = 0.1 ug / 100 mL = 0.001 ug/mL

Q: Suppose the fluid in the stomach of a woman suffering from indigestion can be considered to be…

A: Here is the answer

Q: A mixture of ethanol and water is prepared in the lab. Ethanol has a density of 0.789 g/mL. 47.3 mL…

A:

Q: The number of moles of CaCl2 in 5 litres of 5 M solution is *

A: Molarity: It is the parameter that is used to express the molar concentration of a solution. It can…

Q: What is the volume in liters that is needed to create a 1.4 M solution with 4.3 moles of Zn(NO3)2?…

A:

Q: What is the percent by mass KBr of a solution that contains 54.5 grams of KBr and 100.8 grams of…

A: The concentration of the solution is defined as the amount of solute present in the solution. In a…

Q: How many moles of NaCl are in 4,770 mL of a 3.71 M solution? Report your answer with 3 decimal…

A:

Q: If 124 mL of a 1.2 M glucose solution is diluted to 550.0 Express your answer using two significant…

A: Given: M1 = 1.2 M V1 = 124 mL. V2 = 550.0 mL

Q: An empty beaker is placed on a balance, and its mass is recorded at 42.513 g. The beaker is removed…

A: In this question, we want to determine the mass of the sodium chloride solution ( NaCl )  You can…

Q: What mass ( in g ) of NaCl is needed to make 230 g of a 13.5% NaCl solution? Report your answer to 2…

A:

Q: A chemist prepares a solution of calcium sulfate (CaSO,) by measuring out 0.15 µmol of calcium…

A:

Q: You have 150 g of a bleach solution.  The percent by mass of the solute sodium hypochlorite (NaClO)…

A:

Q: Silver nitrate solution is used in various hair dyes and permanent fabric markers. Water is added…

A:

Q: A student is making a solution of sugar in water. If the student uses 0.67 moles of sugar and enough…

A:

Q: ow many grams of MgCly are needed to prepare 860 mL of 0.387 molar aqueous MgCl? Put answer in box…

A: Since MgCl does not exist , so it would be MgCl2 . Given : Volume of MgCl2 = 860 ml Molarity = 0.387…

Q: What is the volume in liters that is needed to create a 2.3 M solution with 2.5 moles of Fe(OH)2?…

A: Given data molarity of solution = 2.3 M mole of solute , Fe(OH)2  =  2.5 mole

Q: A chemist prepares a solution of barium chlorate (Ba (CIO3),) by measuring out 13.7 g of barium…

A: Concentration = number of moles/volume(in L)  And,  Number of moles = mass/molar mass

Q: The mass of calcium sulfide that is dissolved in 225 mL of a saturated solution is _____ gram

A: Solubility product is a product of the concentration of ions with the power when the solution is…

Q: What mass of a 6.0% NaOH solution contains 12 grams of NAOH? Enter your answer in grams in the space…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: A student was answering the following question and made a mistake. Identify the mistake and correct…

A: Given data,Mass of solution=350gPercentage by mass=58%

Q: Given a solution of ammonia that is 14.8 M, how many milliliters of this solution should dilute to…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: molarity

A:

Q: What is the volume in liters that is needed to create a 2.3 M solution with 1.6 moles of Fe(OH)2?…

A: Molarity  is the amount of a substance in a certain volume of solution. Molarity is defined as the…

Q: A chemist prepares a solution of barium chloride BaCl2 by measuring out 88.μmol of barium chloride…

A: From given  We are calculating concentration of the solution from the volume given as below

Q: 1. What is the percent by mass of 6 g of copper (II) sulfate dissolved in 84 g of water? 2. A…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: You have a solution of NaCl that has a molarity of  3.359 M.  You want to make a dilute solution of…

A:

Q: student is making a solution of sugar in water. If the student uses 0.85 moles of sugar and enough…

A:

Q: what volume of concentrated HCl solution contains 125 g of HCl given the information: 37.2%…

A: From given mass % it is clear that in 100mL of solution, 37.2 g of HCl is present.

Q: Calculate the concentration in /molL of the chemist's barium acetate solution.

A: Number of moles = mass/molar mass  Molarity = moles/volume of solution(in L)

Q: What is the molarity of a solution that is made from 37.1 g of MgCl2 in enough water to make 910 mL…

A:

Q: a. Starting with a 1M stock of NaCl, a researcher prepares a 100 mM working solution. The dilution…

A:

Q: What is the concentration of a NaCl solution made from taking 22.64 mL of a 12.67M NaCl solution and…

A: Given information: Initial volume (V1) = 22.64 mL Final volume (V2) = 1.25 L Initial concentration…

Q: What volume, in mL, of 10.9 M HCl is required to make 492 mL of 0.546 M HCl?   Include 3…

A:

Q: A chemist prepares a solution of silver perchlorate (AgCIO) by measuring out 2.4 kg of silver…

A: The amount of solute present in a solution is called Concentration. There are many concnetration…

Q: What is the mass percent of 60 g NaCl in a 200-g solution? Express your percent as a decimal

A:

Q: A chemist prepares a solution of potassium dichromate (K,Cr,O,) by measuring out 35. g of potassium…

A: Molarity of a solution represents the concentration of a solution, which is expressed as mol/L.…

Q: A solution is made by dissolving 3.25 grams of a substance in 180 mL of water. Calculate the density…

A: The given mass is 3.25 g. It is known that, 1 g = 10-3 kg.Therefore, the value of mass in kg is…

Q: Lead is a toxic metal that affects the central nervous system. A Pb-contaminated water sample…

A: Percent mass of a solute is related to mass of a solution as shown below:

Q: What mass of potassium permanganate would be required to make 500.0 mL of solution with a…

A: When two compounds are mixed together and they form a solution. The compound which is present in…

Q: Convert your answer to scientific notation (i.e. ## x 10x mg) =    0.72 kg to mg =

A:

Q: What is the percent by mass NaCl of a solution that contains 85.7 grams of NaCl and 104.1 grams of…

A: The percent by mass of NaCl of a solution is calculated by dividing the mass of NaCl by the mass of…

Q: How many mL of a 5.02% copper(I) bromide solution contains 2.66 g copper(I) bromide?  The density of…

A: Mass percent :- The mass of solute present in 100 grams of solution is known as its mass percent .…

Q: What volume, in milliliters, of 14.6 M HCl is required to make 68.3 mL of 3.16 M HCl?

A: Given: Initial molarity of HCl = 14.6 M Final volume of HCl = 68.3 mL Final molarity of HCl = 3.16 M

Q: What is the percent by mass KBr of a solution that contains 88.7 grams of KBr and 119.7 grams of…

A: Given mass of KBr = 88.7 g Given mass of water = 119.7 g Mass percent is tells the concentration of…

Q: Your 50 mL beaker has a mass of 5.85 g. You add 10.00 mL to the 50 mL beaker and now the total mass…

A:

Q: CALCULATIONS Set up each problem completely and SHOW UNITS. Cancel the units when you do the…

A: Given that, Mass of KH2PO4 sample = 0.0900 g = 90 mg Volume of water = 250 mL = 0.25 L 1)…