Calculate the mass (in g) of sodium hydroxide required to make 4.50 L of a 6.50% (m/V) solution. Enter your answer in scientific notation.

Q: Graphically find the concentration in ppm and then calculate in mol/L of Soda #1 and Soda #2?

A: Caffeine Std (ppm) Absorbance (270 nm) 1 0.179 2 0.39 3 0.673 4 0.787     Soda #1 0.233…

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Q: Sherri is asked to dilute her prepared CuCl2 solution with a volume of 655ml CuCl2 and a…

A: Given  Initial Volume of Solution (V1)= 655 mL                                                 =…

Q: Molarity Calculations. Report answers with correct units and number of sig figs please. 1. How many…

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Q: How many grams of NaCl (molar mass = 58.4 g/mol) are required to make 1.0 L of a 0.1 M solution? Add…

A: The question is based on the concept of solutions. molarity is defined as number of moles of solute…

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Q: Mr. Kim added 50.0 ml of alcohol with enough water to make a 400 ml of solution. What is the…

A: Given: Volume of alcohol = 50.0 ml Volume of solution = 400 ml

Q: What is the molarity of a 4.5 liter solution containing 2.45 moles of NaCl? Report your answer with…

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

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Q: QUESTION 16 The solubility of an unknown salt is shown in the graph. If a solution is unsaturated at…

A: As we can see on increasing temperature ,the solubility of salt is increasing , thus there is a…

Q: What is the molarity of a solution in which 10.0 g of AgNO3 is dissolved in 525 mL of water? Type…

A: The formula for molarity (M) is given by:M=moles of soluteliters of solutionWhere:Moles of solute is…

Q: Which of the following procedures is the most suitable for preparing 500. mL of a 0.120 M aqueous…

A: The volume of the solution is = 500 mL The molarity of the solution is = 0.120 M The molar mass of…

Q: (SHOW CALCULATIONS) The Environmental Protection Agency sets limits for copper in drinking water at…

A: Given,Concentration of copper ( Cu ) in drinking water by mass = 1.3 ppmMolar mass of copper =…

Q: 1.8 L of a 4.5 M NAOH solution Express your answer using two significant figures. Hν ΑΣφ ? m = g…

A: we must know two basic formulae to solve these questions:number of moles of solute=given mass of…

Q: Calculate the mass of solute needed to create 250 mL of 0.1M solution knowing the molecular weight…

A: We have the Molarity  , volume of solution along with molar mass of the solute is given . We want…

Q: How many grams of CaCl2 are needed to make 923.3 g of a solution that is 32.5% (m/m) CaCl2 in water?…

A: The objective of the question is to find out the amount of CaCl2 and water needed to make a solution…

Q: 1. What mass of sodium hydroxide must be weighed to make 500 mL of 0.1 M NaOH? 2. What mass of…

A: 1) Given, Molarity of NaOH solution = 0.1 M = 0.1 mol/L Volume of NaOH solution = 500 mL = 0.5 L…

Q: You want to prepare 450.0 mL of a 145 ppm K+ ion solution.  The density of the solution is 1.01…

A: 1 mg solute per 1 kg of solution is known as 1 ppm.

Q: Can u help me answer this 2 questions with complete solution please thank you 1. The density of…

A: (1) Given that -  Density of acetonitrile, C2H3N = 0.786 g/mL  Density of methanol, CH3OH = 0.791…

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: 7. A solution is prepared by dissolving 114 grams of NaCl in 475 grams of water. Find the freezing…

A: Colligative properties are the properties that depend on the number of atoms or molecules or ions or…

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Q: The molecular weight of KCl is 74.55. In microlitres, what volume of a stock solution of 25% KCl…

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Q: Calculate the molarity of 2.3 moles of MgCl, in 2.2 L of solution. Report your answer with 3 decimal…

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Q: The solubility in water of ionic compound X is measured and found to be 0.529 would contain 34.0 g…

A: Given: Solubility of ionic compound X = 0.529 g/mL at 5 oC.And mass of X in solution = 34.0 g

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A: From the given concentration of components and total volume of solution we can determine the mass of…

Q: 129.4 mg of NaCl (MM=58.44 g) is dissolved in 108.43 L of water. What is the concentration of Na+…

A: We have 129.4 mg of NaCl (MM=58.44 g) is dissolved in 108.43 L of water.  We've to calculate the…

Q: Calculate the volumes, in mL, of: ethanol, C2H5OH (ρ= 0.789 g/mL), that must be dissolved in water…

A: Molecular weight of ethanol=46 g and       Molecular weight of HCl is 36.5 g

Q: Calculate the volume you must dilute to make 200.0 mL of 0.50 M BaCl, from 4.0 M original_(M,)stock…

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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: Part1: 1.05×10-1  m glucose solution made by dissolving the glucose in 100.0 kg of water: ____ mol…

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Q: Oxygen's solubility in water is 0.00412 /100 ml at 20 °C and 760 mm Hg Calculate the solubility of…

A: Oxygen solubility in water = 0.00412 g/100mL Temperature = 20°C Pressure = 760mmHg Pressure, P2 =…

Q: 114.7 mg of NaCl (MM=58.44 g) is dissolved in 246.42 L of water. What is the concentration of Na+…

A: A numerical problem based on concept of solutions, which is to be accomplished.

Q: What is the concentration of a solution (ppb) where 2.13 mg of solute (88.54 g/mol) is dissolved in…

A: Mass of Solute = 2.13 mg = 2.13 × 10-³ g Volume of solvent = 14.3 L = 14.3 × 10³ mL Density of…

Q: How would you prepare 350 mL of a 1:20 glucose solution? Write your answer with two digits past the…

A: 1:20 glucose solution means 1/20 dilution factor., Volume of solution = 350 ml Required weight of…

Q: Calculate the number of grams of CuCla.2H20 solid needed to prepare 25.00 mL of 0.0450 M CuCl.2H20…

A: Given: Molarity of CuCl2. 2H2O = 0.0450 MVolume of solution = 25.00 mL

Q: A dopamine vial that contains 200 mg in 5 mL is diluted with 0.9% sodium chloride to prepare a total…

A: Answer:In dilution, only volume of the solution changes but total mass of a specie remains same. To…

Q: O Chemical Reactions Using molarity to find solute moles and solution volume 1/5 Bish Calculate the…

A: Approach to solving the question: Detailed explanation: Examples: Key references:

Q: What mass ( in g ) of NaCl is needed to make 530 g of a 21.1% NaCl solution? Report your answer to 2…

A: Mass percentage  = mass of solute/mass of solution  × 100

Q: 1. Calculate how much lemonade powder you will need to make 0.100 L of each solution. Fruit drink is…

A: Molarity is a unit of concentration commonly used in chemistry, which represents the number of moles…

Q: Fill in the blanks - all the statements refer to bowls A-F shown in the figure below. 2. Solutions…

A: Bowl A: The solution inside the bag (10% sugar) is hypertonic compared to the bowl (5% sugar).Bowl…

Q: Determine the volume of dilute HNO3 (d= 1.11 g/mL and 19% pure) that can be prepared by diluting 50…

A: Interpretation -  To determine the volume of dilute HNO3 (d= 1.11 g/mL and 19% pure) that can be…