How many grams of Pb(NO3)2 (331.2 g/mol )are needed to prepare 200 ppm (w/v) of Pb*2 (207.2 g/mol) in 1L solution?

Q: How many grams of CaCl2 should be dissolved in 500? mL of water to make s 0.333 M solution?

A: Given  Volume                    = 500 mL          Molarity of solution = 0.333 M  Mass of CaCl2…

Q: How many grams of NaOH  are there in 183 grams of an aqueous solution that is 2.65% (w/w) NaOH ?…

A: Weight concentration of a solution is expressed as % w/w. Like before, this stands for weight per…

Q: What mass of calcium hydroxide will disolve in 2.20 L of a 0.16 M Ca(NO3)2 (aq) solution at 25 °C?…

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Q: How much ammonium chloride (N H 4 Cl), in grams, is needed to produce2.5 L of a 0.5M aqueous…

A: Molarity is the concentration term which is defined as the number of moles present in 1L of a…

Q: What is the percent NaOCl by mass in an aqueous 5.00 molal NaOCl solution? a.35.5% b. 5.00% c.…

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Q: Calculate the following concentrations for an aluminum hydroxide Al(OH)3 solution containing 150 g…

A: As per our guidelines we can only solve first three sub-parts of a question. Please resubmit the…

Q: Calculate the percent by mass of a solution composed of 35g of KNO3 and 57.5G of H2O

A: Given that : Mass of KNO3 = 35g Mass of H2O = 57.5g Percent by mass of solution =?

Q: 1. Suppose you had 58.44 g of NaCl and you dissolved it in exactly 2.00 L of water. What would be…

A: Here we are required to find the molarity of the given  solution

Q: A 30.00%-by-mass solution of nitric acid in water has a density of 1.18 g/cm3 at 20°C. What is the…

A:

Q: A 34.0% sulfuric-acid solution has a density of 1.25g/mL. How many grams of H2SO4 are contained in…

A:

Q: What is the concentration, in mass percent, of a solution prepared from 50.0 g NaCl and 150.0 g of…

A: The mass of solute, NaCl is = 50.0 g The mass of solvent, water is = 150.0 g The mass percent of the…

Q: 5. How many grams of CaCL2 (MM = 110 g/mol) should be dissolved in H20 to prepare a liter of 1.2M…

A: Molarity means moles of solute dissolved in a litre of solution.

Q: What is the concentration of a solution made by dissolving 1.2 g of salt in 3.8 g of water?

A: The mass of solute present in a fixed mass of solution is known as concentrationof the…

Q: 1.)23.5g of NaCl is dissolved in enough water to make .683L of solution. a) What Is the molarity (M)…

A: The question is based on the concept of solutions.   molarity is a method of expressing…

Q: What volume of water is required to make up 250ml of 0.5 NAcl solution by dilution of a 10.OM Nacl…

A: Since the process is dilution. Hence only water is being added to 10.0 M NaCl solution. Hence moles…

Q: How many grams of NH3 must be dissolved in 100 g of water to create a saturated solution at 90°C

A: The solubility of a substances in a given solvent can be defined as the grams of the solute needed…

Q: How many grams of CuSO4.5H2O should be dissolved to make 500mL of 8 x 10-3M solution?

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Q: What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250 mL?

A: Given the molarity of stock solution =6.00 M volume of stock solution =26.5 mL =0.0265 L and the…

Q: 4. 10.5 grams of BaCl2 is dissolved in 110 grams of distilled H20. Calculate the percent by mass of…

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Q: An aqueous solution that contains 285 ppm of potassium nitrate (KNO3) is being used to feed plants…

A: The solution is as follows :

Q: 5. What masses of KOH and water are needed to make 1500g of 20% solution? MW- K:39, O:16, H:1

A: Weight of solution = 1500 gm Percentage = 20%

Q: How many grams of water must be added to 48.8 g of NaOH in order to prepare a 5.46%(m/m) solution?

A: Mass of NaOH = 48.8 g % m/m = 5.46 % Calculation of mass of solution: % m/m=Mass of NaOHMass of…

Q: What is the percent by mass of HCLO4 in the solution

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Q: How many grams of solute is needed to make 50.0 mL of a 0.750 M solution of KOH in water?

A: The molarity which tells us about the concentration level of any specific solution is the solutes'…

Q: Describe how we would make the following solutions: (a) 500.0 mL of a 5.32% w/w H2S solution in…

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Q: How many moles of solute particles are present in 1 L (exact) of aqueous 0.025 M HNO3?

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Q: What mass of KNO3 should be measured out to make a saturated solution in 100g of water at 40 deg C?

A: A chemical substance's ability to dissolve in a given solvent is termed as its solubility. The curve…

Q: What is the molarity of a HNO3 solution prepared by adding 275.1mL of water to 350.0mL of 12.3M…

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Q: How many grams of NaCl and water are required to make 100 g of a 20% (w/w) NaCl solution?

A: We knew that  (W/W %) = (mass of solute) /(mass of  solution)×100% Where mass of solution = mass of…

Q: To prepare a 7.5% 25 mL NiCl2.6H2O solution, how many grams of nickel (II) chloride salt should be…

A: The mass of solute (in gram) present in 100mL of the solution is known as the m/v percent…

Q: 1. What is the molarity of a solution made by dissolving 12.5 g NaCl up to 1 L of H2O?

A: Moles of NaCl is calculated as,

Q: Calculate the volume of a 3.50 molar solution of H2SO4 made from 49.0 grams of H2SO4

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Q: How would you prepare 69.0 g of an aqueous solution that is 5.00% potassium iodide, KI, by mass?…

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Q: A 20.0 % by mass solution of phosphoric acid (H3PO4) in water has a density of 1.114 g/mL at 20°C.…

A: Molarity is calculated by using formula : molarity = moles of solute / volume of solution ( L)  So,…

Q: what is the molarity of a solution with 670 grams of Pb(C3H2O2)4 (molar mass=443.4 grams/mol…

A:

Q: Calculate the molarity of the following aqueous solutions:(a) 0.540 g of Mg1NO322 in 250.0 mL of…

A: The Molarity of three given solutions can be calculated as -

Q: How many mL of K2SO3 solution are needed to get 3.13 g from a 0.359 M K2SO3 solution?   What is the…

A:

Q: 2. a) 25mL of water is added to 125mL of 1 0.15mol/L NAOH solution, what is the concentration of the…

A: Given  (a)  Initial Concentration of NaOH solution ( M1 ) = 10.15 mol/ Liter              initial…

Q: How many grams of C6H12O6 is needed to make 250.0 mL of 0.164 M solution?

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Q: Q5 i) List the factors that influence solution formation.       ii) Solubility of gases in water…

A:

Q: Solve the question

A: The molarity is an important method to express the concentration of a solution. The molarity of a…

Q: (1) How many grams of K2SO4 are contained in 50 mL of 0.200 M? (2) How many millimoles of K2SO4 are…

A: When one mole of any compound is dissolved in 1000 ml of solution is called the 1molar solution .

Q: How many grams of water must be added to 40.4 g of NaOH in order to prepare a 2.73%(m/m) solution?…

A: Let mass of  solvent water = x grams Total mass of mixture = Mass of solute NaOH + Mass of solvent…

Q: What is the molarity of a solution contining 42.0g of LiOH in water that produces a final volume of…

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: 2. What mass of NaNO3 should be dissolved in 25.0 mL of water so that the resulting solution freezes…

A: The normal freezing point of water is 0.0 0C and the freezing point of solution is -6.0 0C.…

Q: 1. How many ml of NaOH in preparing 50 g of it in 1N of solution (Na- 23, O -16, H-1)

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Calculate the molarity of a solution made by dissolving 15.5 g of NaCl i

A: moles of solute present in 1 L solution is called as molarity (M )  i.e  M = n / V(in L)   Units :…

Q: Calculate the following concentrations for an aluminum hydroxide Al(OH)3 solution containing 150 g…

A: E.) First we would Calculate wt % using formula : wt % = ( mass is solute / mass of solution ) × 100…

Q: How many grams of H3PO4 are in 321ml of a 1.60 M solution of H3PO4?

A: Since molarity = moles of solute / Volume of solution in L in the above solution solute is H3PO4…