how many grams of cuprous nitrate  are needed to make enough solution good for 22 laboratory group

Q: The Environmental Protection Agency limit for lead in drinking water is 15 ppb. A 5.090 kg solution…

A: Consider the given information is as follows; Mass of solution = 5.090 kg = 5.090×1000=5090 g Mass…

Q: What mass of K2CO3 is needed to prepare 80.0 mL of a solution having a potassium ion concentration…

A: We have to calculate the mass of potassium carbonate.

Q: Two solutions are combined: 670 mL of 123 mM MgSO4 and 448 mL of 182.94 mM NH4OH. What is the total…

A: => 670 mL of 123 mM MgSO4 solution Volume (V1) = 670 mL => 448 mL of 182.94 mM NH4OH Volume…

Q: The mass in milligrams of oxygen (molar mass= 16 g/mol) in 1920 cm³ of 1.76X10-3 M solution of…

A: Given: Volume of H2Cr2O7 =1920 cm3 Molarity of H2Cr2O7=1.76×10-3M  To find: Mass of oxygen

Q: 1. For each of the following mixtures, explain whether it is a solution (homogeneous mixture) or a…

A: Introduction In the field of chemistry, a mixture is a substance made up of two or more unrelated…

Q: How many milliliters of a 3.95 M LiCl solution contain 13.9 g of LiC? Express your answer with the…

A: MW of LiCl = 42.394 g/mol mass given = 13.9 g Moles of LiCl=13.9 g42.394 g/mol=0.32787 mol

Q: What mass of K2CO3 is needed to prepare 82.0 mL of a solution having a potassium ion concentration…

A:

Q: Part A: Determination of Densities of Pure Water and Calcium Chloride Solutions (1) Temperature of…

A: Concept used: Density = mass VolumeSpecific Gravity =Density of solutionDensity of reference

Q: a.)1.21 M

A: 3.   The Molarity of saturated NaNO3 solution is 10.9 (M), at 25• C. The molar mass of NaNO3 is…

Q: You need to prepare 363 mL of a 8.00 × 10-2 M CaNO3 solution from a 12.00 M stock solution. How much…

A: The given problem can be solved by using the formula given below as; M1 V1 = M2 V2…

Q: In the lab, you used 2.0 mM FD&C Red Dye No. 40 solution. How much solid dye, molar mass 496.42…

A: Given, molar mass of solid dye = 496.42 gmol volume of red-dye-40 = 1.8 L concentration of…

Q: A 31.9 mM (millimolar) solution was made using 0.202 L of a 221 mM solution. What is the final…

A:

Q: A chemist prepares a solution of iron(III) bromide (FeBr,) by measuring out 420. g of iron(III)…

A: Given :  Mass of FeBr3 = 420. g  Volume of solution = 350 mL  To calculate :  Concentration of…

Q: You measure 7.6mL of 1:1.92 bromine to acetic acid solution. How many moles and grams of bromine and…

A: It's mentioned that they measure 7.6mL of 1:1.92 bromine to acetic acid solution. We need to find…

Q: Calculate the volume in liters of a 9.2×10 mM copper(11) fluoride solution that contains 900 mg of…

A: Given,Molarity of copper(II) fluoride ( CuF2 ) = 9.2 x 10-4 mM      mass of copper(II) fluoride (…

Q: 0.502L of a 2.2 M KCl solution? Express answer in 2 significant figures?

A: Question is not there but depending on values given, Interpretation- Number of moles of KCl Concept…

Q: chemist dissolves 6.50 g of potassium iodate and 8.23 g of potassium hydroxide in 815.05 g of water.…

A: A chemist dissolves 6.50 g of potassium iodate and 8.23 g of potassium hydroxide in 815.05 g of…

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

A:

Q: A brine solution is 10.0 % NaCl by mass. What is the molarity of this aqueous solution, given that…

A: Given a brine solution with concentration 10% by mass. Given density of the solution is 1.071 g/ml.…

Q: A student is performing  an assay, which requires 20.0 mL solution of urea, which is 0.30 g/L.  The…

A: Calculate the molecular weight of urea (CH4N2O) using the atomic masses of carbon (12.01 g/mol),…

Q: To make 308 mL of a 0.531 M solution of HCI, how many mL of a 3.4 M solution should be used? Report…

A: The question is based on the concept of solutions. we have to dilute the stock solution to prepare…

Q: we are using a 3.00% hydrogen peroxide solution. We need to convert this to molarity for our…

A: To calculate the molarity of the 3.00% w/w hydrogen peroxide solution, you need to convert the…

Q: A solution of iodine in carbon tetrachloride has a density of 3.22 g/mL and a concentration of 3.00…

A: (4)  Given that -  Density of solution of iodine in Carbon tetrachloride  = 3.22 g/mL  Concentration…

Q: How many grams of sucralose (molar mass=397.6 g/mol) are needed to make 635.0 mL of a 0.132 M…

A:

Q: Q1/ Calculate the normal concentration of 2.5 g KMN04 dissolved in 200 ml of water ?g.M.w KMn04 158…

A: Note:You have uploaded 2 questions simultaneously at one time. I can solve only first one (as per…

Q: 1. a) An aqueous solution is made by dissolving 25.2 grams of iron(II) chloride in 415 grams of…

A: a) Given that : Mass of iron chloride = 25.2 g Mass of water = 415 g = 0.415 kg Molality = ?…

Q: The mass in milligrams of oxygen (molar mass= 16 g/mol) in 1920cm3 of 1.76X10-3 M solution of H3PO4…

A: H3PO4 Volume = 1920 cm³ = 1920 mL = 1.920 L Molarity = 1.76 × 10-³ M =1.76 × 10-³ mol/L   Molarity =…

Q: A chemist adds 0.30 L of a 2.04M sodium thiosulfate (Na, S,0,) solution to a reaction flask.…

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Q: Potassium bromide (KBr) has a molar mass of 119 g/mol. If I dissolve 3.62 of KBr in 37 mL of water,…

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Q: Determine the total volume in milliliters of water a chemist should add if they want to prepare an…

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Q: ▼ Part A What mass of MgCl2 is needed to make 205 mL of a 0.400 M MgCl2 solution? Express the mass…

A: Given Molarity,  volume Asking the amount of MgCl2

Q: (use SF, units; show all work; answers in box) 1. a: Acetic acid (HC2H3O2) is a weak electrolyte.…

A: (1.)(a). Acetic acid is a weak acid. When the aqueous solution of acetic acid is dissolved in water…

Q: After analysis for iron content, a water sample was found to have a concentration of 4.62ppm iron.…

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Q: Commercial perchloric acid is an aqueous solution containing 70% by mass HCIO, (100.46 g mol") and…

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Q: The slopes of the lines in graph 1 can be interpreted as a useful quantity around the lab if you…

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Q: Calculate the volume in liters of a 3.20 M KCl solution to obtain 0.25 mol of KCl. Express your…

A: given, the molarity of the solution = 3.20 M moles of KCl = 0.25 mole

Q: Need help solving this.

A: (NH4)2CO3           +           MgSO4          -->…

Q: How many grams of NaCl is needed to make 236.5 mL of a a 3.04 M solution? Answer to 1 decimal place.

A:

Q: If we have a 5.0 M NiCl_2NiCl2​ stock solution and we want to make 1 L of a 1.5 M NiCl_2NiCl2​…

A: Initial concentration of NiCl2 stock solution, M1 = 5.0 M Final concentration of NiCl2 solution…

Q: 7. During week l's lab we investigated the effect of different soaking solutions on the behavior of…

A: Calculation is given below for complete the table.

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: Standard vinegar solutions are about 5% acetic acid by mass. What is the molarity of a 5% vinegar…

A: Please find your solution below : Molarity is the measure of concentration. It is defined as the…