A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands for a number the student is going to calculate.) Enter the units of the student's answer. 1 mL (0.34 L) 1.91 mL x10 -3 10 %3D 147.05 mol

Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

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Q: Calculate the molarity of a solution prepared by dissolving 12.50 grams of NaNO3 in 250. mL of…

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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: A chemist places 2.9764 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: Given, Stock Solution 1 : mass of NaCl = 2.9764 g volume of flask = 100 mL Solution 2 : Volume…

Q: How many grams of chlorine are in 269 milliliters of a 1.362 M MgCl2 solution? Hint: the solubility…

A: Molarity is the moles of solute present per unit of volume. So we can determine moles of solute if…

Q: Distilled white vinegar is a solution of acetic acid, CH3CO2H, in water. A 0.500-L vinegar solution…

A: The molarity of a solution is defined as the number of moles of solute dissolved in 1 liter of the…

Q: e molar concentration

A: solution:

Q: When 18.2 hg of water is used in a reaction, how many molecules were reacted? (Assume that the…

A: Here we have told that 18.2 hg of water is used in a reaction. Then we have to tell that how many…

Q: Is H3 AsO 4 being created or destroyed by the chemical reaction? If H3 AsO 4 is being created or…

A: Given that, the graph of concentration of H3AsO4 vs. time is shown below We have to answer the…

Q: How many moles of ammonia are in 500. mL of a 2.25 M aqueous ammonia solution? Find the numerical…

A: we are  required to find the number of moles of ammonia from molarity and volume

Q: An aqueous solution of propyl alcohol is made by transfering 4.49 mL of liquid propyl alcohol to a…

A: Given: The volume of propyl alcohol taken = 4.49 mL The volume of the solution in the volumetric…

Q: A student sets up and solves the following equation to solve a problem in solution stoichiometry.…

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Q: A chemist prepares a solution of magnesium bromide (MgBr₂) by measuring out 45. mg of MgBr₂ into a…

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Q: How many grams of chlorine are in 101 milliliters of a 1.474 M MgCl2 solution? Hint: the solubility…

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Q: You need to prepare 0.600 L of a solution of magnesium nitrate. The required molar concentration…

A: Given :  Volume of magnesium nitrate solution = 0.600 L  Concentration of magnesium nitrate = 0.156…

Q: 2.135 g of potassium chloride in enough water to make 100.00 mL solution. Th student then pipettes…

A: Molarity = number of moles of solute / volume of solution (in L)  M1V1=M2V2 M1= initial Molar…

Q: A chemist places 2.2352 g of NaCl in a 100 mL volumetric flask and adds water to the mark and calls…

A: Weight of NaCl is 2.2352 gm Molar mass of NaCl is 58.5 gm/mole

Q: Consider a 3.00 M CH3OH solution. What volume of this solution, in ml, is needed to provide 0.202 g…

A: Given that : Molarity of CH3OH = 3.0 M Mass of CH3OH = 0.202 g Molar mass of CH3OH = 32.042 g/mol…

Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: A materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to…

A: Given, Mass of alloy sample = 11.433 g Volume of hydrogen gas = 8.52 L Pressure of hydrogen gas =…

Q: at a certain temperature,1.85 grams of barium hydroxide will dissolve to form 100.0 ml of a…

A: The given mass of barium hydroxide = 1.85 g The volume the solution = 100.0 mL = 0.100 L  The…

Q: The concentrated sulfuric acid we use in the laboratory is 98.0% sulfuric acid by mass. Calculate…

A: given, d = 1.33 g/mL M(H2SO4) = 98.08 g/mol then we have to calculate molarity of total solution,…

Q: 69.0 mL of 2.0 M Sr(OH)2 are mixed with 31.0 mL of 1.8 N Sr(OH)2 . What is the normality of the…

A: Given Sample 1 : Molarity of Sr(OH)2 = 2.0 M , volume = 69 ml Sample 2 : Normality of Sr(OH)2 = 1.8…

Q: A sample of concentrated hydrochloric acid (HCl) is 37.0 % HCl by mass. Calculate the molarity of…

A: Given:37.0% HCl by mass density is 1.18 g/ml formula : Molarity (M)= (% by mass x 10 x Density…

Q: a drop of water contains about 1.70* 1021 molicules. if the water were evaporating at the rate of…

A: Given, a drop of water contains = 1.70 x 1021 molecules            rate of evaporation of water =…

Q: Gaseous ethane (CH,CH₂) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide (CO₂)…

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Q: Is H₂O2 being created or destroyed by the chemical reaction? If H₂O₂ is being created or destroyed,…

A: Given that, a graph of the molarity of H2O2 in a reaction vessel during a certain chemical reaction…

Q: An aqueous solution of methyl alcohol is made by transfering 7.90 mL of liquid methyl alcohol to a…

A: In this question a methyl alcohol solution is prepared in 100 mL volumetric flask. We have to…

Q: In the lab, a student makes a solution of NaOH by dissolving 49.0 grams of solid in 195 mL of water.…

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Q: Suppose 4.73g of barium nitrate is dissolved in 350. mL of a 73.0mM aqueous solution of ammonium…

A: We have to calculate the final Concentration of barium cation.

Q: materials scientist has created an alloy containing aluminum, copper, and zinc, and wants to…

A: