To make a 0.5L of 2% NaCl, weigh _____ grams of NaCl, place in a graduated cylinder, and add water to make the total volume _____ mL

Q: A student dispensing a solution (the volume is between 20-30 mL) into a reaction container using a…

A: The least count of volumetric buret is 0.01 mL. Hence the reading should be taken upto 2 decimal…

Q: A major component of gasoline is octane (C,H,s). When liquid octane is burned in air it reacts with…

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Q: Assuming water has a density of 1.00g/mL. Question Content Area 150. g of 3.05% (w/w) NaCl solution…

A: Mass of NaCl solution = 150 g  Mass percentage of NaCl solution = 3.05 % (w/w)

Q: Using mulany tomme autte me an IMOVII TUIMITIM Calculate the volume in liters of a 0.055 mM barium…

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Q: 2. If a 50 mL solution of 2 mg/mL glucose has 20 mL of water added to it, have these changed? Please…

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Q: A chemist prepares a solution of silver nitrate (AgNO, by measuring out 0.556 kg of silver nitrate…

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Q: you need to add 65 mEq of an electrolyte to a TPN bag.  Your stock vial contains 8 mEq/ml.  Round to…

A: Given: Equivalents of electrolyte needed = 65 mEq.And concentration of stock solution = 8 mEq/mL.

Q: 750 mL of a solution is made with 4.00 g of NaOH. Calculate the molarity of the solution. the answer…

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Q: Suppose 0.476 g of potassium acetate is dissolved in 50. mL of a 72.0 m Maqueous solution of…

A: It is based on the concept of concentration.Here we are required to find the Molarity of potassium…

Q: An empty Erlenmeyer flask weighs 241.3 g. When filled with water (density = 0.997 g/mL), the flask…

A: Weight of empty Erlenmeyer flask = 241.3gWeight of flask + water= 489.1 gVolume of water=?Density of…

Q: e concentration in g/dL

A: Mass by volume of any solution is one of the concentration terms that can be calculated by dividing…

Q: Determine the number for each variable. An aqueous solution is made from 0.315 mol of Na Cr207. If…

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Q: What volume of 0.162 M NaOH is required to neutralize 27.5 mL of 0.177 M of a hypothetical…

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Q: Gastric acid pH can range from 1 to 4, and most of the acid is HC1. For a sample of stomach acid…

A: The question is about calculating the number of moles of HCl in the stomach acid -

Q: Calculate how much 1500 µg/dL stock solution is needed to make 50.00 mL a 300 ug/dL solution.…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: 1. A 10.0 mL graduated cylinder to measure 10.0 mL of a 1.00 M CaCl2 solution into an initially…

A: The balanced chemical equation has to be written,

Q: What is the mass of 1 mL of pure water? How could this information be used to check the accuracy of…

A: Density of a substance is defined as its mass per unit volume.

Q: 5. The element that belongs to group II is _6. The element in a gaseous state is represented by. _7.…

A: There are 7 periods and 18 groups in the periodic table.  The properties of the elements down the…

Q: 5. Using their densities, determine the concentrations of the following pure liquids. Hints: Find…

A: The Concentration of water and acetic acid have been calculated below

Q: 10.0 mL of a 0.300 M sucrose solution was diluted to 200. mL. The concentration of the new solution…

A: Concentration of the new solution can be determined using the dilution expression,

Q: An aqueous solution that contains 425 ppm of potassium nitrate (KNO3) is being used in the lab.…

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Q: What did you notice about the relationship between anobjects Mass and its volume

A: Given What did you notice about the relationship between anobjects Mass and its volume

Q: I have all the data I just need the Conclusion and the question answers. Data Table 3: Solution…

A: The solubility of NaCl and KNO3 increases with increasing the temperature and NaCl is more soluble…

Q: Show how you will accomplish the following synthetic conversion. Please be sure to explain your…

A: We have to explain the reagent and the mechanism of synthetic conversion.

Q: Determine which of the following steps show correct technique when using a 250.00 mL volumetric…

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Q: Given that one cup 265.4 mlL, calculate the molarity of vitamin C in orange juice.

A: Molarity is a measure of the concentration of a chemical species, in particular of a solute in a…

Q: 1) 0.345 g-0.27 g = [Select] 2) 8.159 g/0.95 mL = [Select] g g/mL

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Q: A solution has a density of 1.22 g/mL. What volume of the solution has a mass of 48.2 g?. A) 39.5 mL…

A: Density of the solution = 1.22 g/mLMass of the solution = 48.2 g

Q: You want to prepare 10 mL of a 1/100 dilution. What should the qliquot and diluent volumes be?

A: The solution is given below -

Q: Could someone walk me through how to solve this particular kind of equation, please? 7.2% x V1 +…

A: 7.2% × V1 + 0.9% × V2 = 5% × 350mL

Q: substance has a solubility of 12.5 g per 100 mL of solvent at 100 degrees celsius and 2.45 g per 100…

A: Given : solubility of substance at 100 °C = 12.5 g/100 ml  Solubility of substance at 10°C = 2.45…

Q: - с www-awu.aleks.com = O CHEMICAL REACTIONS Using molarity to find solute mass and solution volume…

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Q: 16. Convert 233 mL to cubic inches. O 12.20 cu. in. O 14.20 cu. in. O 16.20 cu. in. O 18.20 cu. in.

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Q: None

A: Step 1 :For dilution,moles of solute= M1V1 = M2V2 Step 2:Initial molarity (M1)= 10.1 MInitial volume…

Q: how to get from molairty to millliters? in conversion factors

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Q: What is the molarity of the caffeine solution B? Molecular Weight of Caffeine 1942 grmol A Take 20…

A: Given, Note: 1000 mL = 1 L Solution A Molarity of the solution A = 5 × 10-4 M = 5 × 10-4 mol/L…

Q: 01: Find the weight of Na2C204 (FW = 134.00 o/mol) required to prepare 250 mL of 0.1000 M NazC2O4…

A: To calculate the mass of sodium oxalate needed to prepare 0.250L of a 0.100M solution, use the…

Q: 1. Using the slope formula, determine the slope of the line. Mass of Solute (g) 45 40 35 30 25 20 15…

A: Given Mass of marbles  number of marbles 41 10 61 16 104 24 162 40 172 45

Q: 1. Based on your experimental and product label observations, how do regular and diet cola differ?…

A: Based on the experimental observations, we can conclude the following points regarding the densities…

Q: At room temperature, table sugar has a solubility of 200. g in 100 mL of water. In boiling water,…

A: Solubility is defined as the maximum amount of solute a given volume of a solvent can dissolve. A…

Q: Using molarity to ind Calculate the volume in liters of a 0.021 mM copper (II) sulfate solution that…

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Q: If you dissolve 5g of NaCl in 250 ml of a solvent that has a density d=2, then you prepared a ____%…

A: Given :-  Mass of NaCl = 5 g  Volume of solvent = 250 mL  Density of solvent = 2 g/mL  To calculate…

Q: Sample 1 Sample 2 Sample 3 Mass of Erlenmeyer Flask (g) 24.33 24.37 24.44 Mass of Erlenmeyer…

A: Ca(OH)2 ----> Ca2+  + 2 -OH 2 -OH + 2 HCl -----> 2H2O + 2Cl- net reaction  Ca(OH)2 + 2 HCl…

Q: 5. Solve the following. 5a. To make 500mL of 200mM NaCl, weigh cylinder, and add water to make the…

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