350 mL of a 2.0 M NaOH solution is added to a beaker.  How many moles of NaOH were added?  How many grams of NaOH were added?

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

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Q: A chemist wants to make 6.5 L of a 0.280M CaCl2 solution. What mass of CaCl2 (in g) should the…

A: Molarity of a solution is defined as the number of moles of solute present in one litre of the…

Q: How many mL of water do you need to add to 126 mL of a 0.53 M solution of acetone in order to create…

A: The solution of acetone contain acetone as a solute and water as a solvent. Thus for dilution of…

Q: Suppose 0.317 g of barium acetate is dissolved in 50. mL of a 80.0 m M aqueous solution of ammonium…

A: Mass of barium acetate =0.317 gVolume of ammonium sulfate = 50 mL = Molarity of ammonium sulfate =…

Q: What is the mass of a solution if 25.0 ml of NaOH was added to a 35.0 ml of water? Assume a density…

A: The density of a solution is the ratio of its mass to volume. It is labelled in equation (1) in…

Q: A student weighs out a 1.75 g sample of NaCl, transfers it to a 250. mL volumetric flask, adds…

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Q: KCO3 3. Suppose 36.0246 g of potassium carbonate is dissolved in water to give a final solution…

A: Molarity = Number of mols of solute/Volume of solution in L Number of mols = Mass/Molar mass…

Q: What volume of 0.204 M NaOH, in milliliters, contains 35.0 g of NaOH? Volume = mL

A: NaOH has a molar mass of 39.997 g/mol. This means that one mole of NaOH has a mass of 39.997 g.…

Q: A chemist places 2.6428 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: The solution is given below -

Q: Potassium bromide (KBr) has a molar mass of 119 g/mol. If I want to make 82.0 mL of a 0.709 M…

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Q: Suppose 31.1 g of barium nitrate is dissolved in 200. mL of a 0.60 M aqueous solution of sodium…

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Q: How many grams of NaCl are required to precipitate most of the Ag+ ions from 1.50 × 10² mL of 0.0547…

A: First we need to write a balanced chemical reaction and then we have to find moles of AgNO3 . From…

Q: You take 5.0 mL of a 1.50M solution of sucrose and dilute it to 250.0mL. What is the mass of sucrose…

A: Molarity, M1=1.50 M Volume, V1=5 mL On dilution, V2=250 mL M1×V1=M2×V2

Q: You are asked to conduct an experiment where you will combine hydrochloric acid nd sodium hydroxide…

A: To find the total volume of the solution in the beaker at the end of the experiment, you need to add…

Q: A chemist needs 11.32 mL of 1.82 M HCl. What volume in mL of 3.74 M HCl must be diluted in water to…

A: To make 1.83M, 11.32mL HCl from 3.74M HCl, we have to take out some specific volume of 3.74M HCl and…

Q: An aqueous solution of KBr is prepared by dissolving 85.7 g of KBr in enough water to make 2.89 L of…

A: GIven: Mass of KBr=85.7 g Molar mass= 119.002 g/mol The volume of the solution=2.89 L Molarity of…

Q: In the laboratory you dissolve 23.8 g of aluminum bromide in a volumetric flask and add water to a…

A: To calculate the molarity of the solution, we need to first determine the number of moles of…

Q: Two bottles of salt water were created with 52 grams and 62 grams of NaCl into two different sized…

A: In this question, we want to determine which Bottle ( A or B ) is least salty ( least Concentrated )…

Q: Sodium carbonate (Na₂CO3) is available in very pure form and can be used to standardize acid…

A: we have to calculate molarity of HCl

Q: Calculate the molarity of each solution. 1. 0.142  mol  of sucrose in 696  mL  of solution…

A: Since, Molarity is the number of moles of solute dissolve in one litre of the solution. Then,

Q: Typical blood serum is about 0.140 M sodium chloride. How many mL of blood contains 1.349 mg of…

A: 1- First calculate the mmoles of NaCl :  mmoles of NaCl = ( Mass / Molar mass)  mmoles of NaCl = (…

Q: 5. In a flask, you heat a mixture of 735.4 g of sodium nitrate and 700.0 grams of water until all of…

A: Given that, Mass of sodium nitrate dissolved in 700 g hot water = 735.4 g Mass of sodium nitrate…

Q: A solution contains 58.9 grams of nickel (I) nitrate in 350 mL of water. What is the new…

A: Molarity of the solution containing 58.9g of nickel (II) nitrate in 350L of water is

Q: A student prepared a 12.5 M stock solution of CaCl2. What volume of the stock solution in…

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Q: In the laboratory you dissolve 22.9g of magnesium iodidein a volumetric flask and add water to a…

A: Since the molar mass of magnesium iodide i.e MgI2  = Atomic mass of Mg + 2 X Atomic mass of I  Hence…

Q: An aqueous solution is made by dissolving 21.9 grams of nickel (II) nitrate in 481 grams of water.…

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Q: What volume (in ml) of concentrated HCl (with a concentration of 10 M) do you need to prepare 10 ml…

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Q: A 2.2964 g sample of Na₂ CrO4 (MW = 161.97 g/mol) is dissolved in 100.0 mL of water. Assume the…

A: According to the question we have a solution of sodium chromate (Na2CrO4) and water (H2O) where Mass…

Q: What mass of KBr (in grams) should you use to make  319 mL of a 1.59 Msolution of KBr? The molar…

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Q: A)  Calculate the molarity 12.21 mg KI in 107.6 mL of solution         Express your answer using…

A: Molarity of a solution is defined as the number of moles of solute to the total volume of solution.

Q: A 215 mLmL sample of ocean water contains 6.9 gg of NaClNaCl What is the molarity of the solution…

A: The ratio of moles of solute to the volume of solution in liters is known as molarity.

Q: A 50.0 mL aqueous stock solution of 0.67 M HCl is diluted to a final volume of 188.1 mL. What is the…

A: The volume of stock solution before dilution (Vi) = 50.0 mL The molarity of stock solution before…

Q: Potassium bromide (KBr) has a molar mass of 119 g/mol. If I want to make 82.0 mL of a 0.626 M…

A: Molar mass of KBr = 119 g/mol Volume of solution =82 mL = 0.082 L  Molarity = 0.626 M  We have to…

Q: A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 7.27 mL sample taken…

A: Acid-base titration: Titration is a method to determine the concentration of unknown acid by using…

Q: What volume (mL) of a 16.0 M hydrochloric acid solution must be diluted in order to make a 500. mL…

A: To determine the volume of the 16.0 M hydrochloric acid solution needed to make a 500 mL solution of…

Q: Assume household vinegar contains 5% acetic acid by weight and that the density of vinegar is the…

A: Given :  Volume of household vinegar = 404 ml  Density of vinegar = 1 gm/ml  Weight % of acetic acid…

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

A: Given: Mass of cylinder = 4.0 g.Mass of cylinder with thiosulfate = 46.56 g.And the volume of the…

Q: Potassium bromide (KBr) has a molar mass of 119 g/mol. If I want to make 82.0 mL of a 0.231 M…

A:

Q: How many moles of solute are present in 300. mL of a 0.60 M solution of NaOH? Please report your…

A:

Q: Assume household vinegar contains 5% acetic acid by weight and that the density of vinegar is the…

A: Solution Vinegar may be a bitter liquid consisting principally of carboxylic acid and water.…

Q: Your lab partner gets out a 100-mL graduated cylinder and a 100-mL beaker to prepare 100.00 mL of…

A: We already have a 1.201 M solution. We need to dilute it to make 100ml of 0.1201 M

Q: Step 1: Dissolve 271.8 g of glucose in enough water to make 500.0 mL of solution. Step 2: Transfer…

A: Given :-  mass of glucose = 271.8 g  molar mass of glucose = 180.16 g/mol  volume of solution =…