suppose 1.87 g of zinc bromide is dissolved in 50. mL of a 0.30 M aqueous solution of potassium carbonate. calculate the final molarity of zinc cation in the solution. you can assume the volume does not change when the zinc bromide is dissolved in it. your answer should be in moles. round to 2 significant digits.

Q: A chemist prepares a solution of iron(III) bromide (FeBr,) by measuring out 132. umol of iron(III)…

A: Given data No of moles of iron(iii)bromide = 132 micromoles Volume of the solution = 350 ml…

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A: Mol/L or molarity is the concentration unit of solution which is defined as no of mole of solute…

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO,)) by measuring out 57.0 umol of aluminum…

A:

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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: When pure magnesium chloride dissolved in water, its ions dissociate completely in water. a) Comment…

A:

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A: Molarity or concentration of solution may be defined as the number of moles of given solute…

Q: Suppose 1.97 g of iron() chioride (FeCl,) are dissolved in 890. ml of water. Find the composition of…

A: Relation between number of equivalents and number of moles is following. No. of equivalents = No. of…

Q: If you were to add 22 grams of medium to 1000 ml of distilled water. How many grams should you weigh…

A: Volume of water = 1000 mL  Mass of medium = 22 g  Mass required for 250 mL  = ?

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A: Given, Volume of Solution = 625 mL  W/V % of Sucrose = 36.0% Mass of sucrose = ?

Q: An 8-fluid ounce [fl oz] glass of milk contains 305 milligrams [mg] of calcium. The molecular weight…

A: Molarity: Molarity can be defined by saying that the number of moles of the solute dissolved per…

Q: A chemist prepares a solution of vanadium(III) bromide (VBr,) by measuring out 49. mg of VBr, into a…

A: Mole is defined as the ratio of given mass and molar mass. The unit of mole is mol. It is utilized…

Q: What volume of a 4.60 M solution of NaNO3 do you need to make 0.450 L of a 1.00 M solution of NaNO3?…

A: The dilution law is shown below: M1×V1 = M2×V2 M1 = molarity for concentrated solution M2 = molarity…

Q: Calculate the number of moles of sodium hydroxide (NAOH) present in 51.9-mL of a 0.613 M NAOH…

A: The number of moles (N) of a solute present in a solution with a molarity of C (M) and a volume of V…

Q: A chemist prepares a solution of mercury(II) iodide (HgI,) by measuring out 0.0056 µmol of…

A:

Q: A chemist prepares a solution of silver(I) nitrate AgNO3 by measuring out 210.μmol of silver(I)…

A:

Q: What mass of a 6.0% NaOH solution contains 12 grams of NAOH? Enter your answer in grams in the space…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

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: How many grams of water must be used to prepare a 17.0 percent by mass (%m/m) sodium hydroxide…

A: Since % m/m is defined as  % m/m = mass of solute X 100 / mass of solution  mass of solute (NaOH)…

Q: A chemist prepares a solution of silver perchlorate (AgCIO,) by measuring out 1.9 kg of silver…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: molarity

A:

Q: A chemist prepares a solution of vanadium(III) chloride (VCl,) by measuring out 47.6 mg of VCl, into…

A:

Q: A mixture is made by combining 1.51 lb of salt and 4.73 lb of water. What is the percentage of salt…

A: Percentage by mass or mass percent (w/w) % is defined as the ratio of mass of a substance to total…

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

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Q: An analytical chemist weighs out 0.118 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: Mass of the triprotic acid = 0.118 g Volume = 250 mL Molarity of NaOH = 0.1100 M Volume of NaOH…

Q: A chemist prepares a solution of calcium sulfate (CaSO)4 by measuring out 0.258μmol of calcium…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: A chemist prepares a solution of magnesium chloride MgCl2 by measuring out 2.3g of MgCl2 into a…

A: The solubility of MgCl2 in the water at normal conditions is very high, so 2.3 g of MgCl2 is…

Q: A chemist prepares a solution of vanadiumIII bromide VBr3 by measuring out 0.40g of VBr3 into a…

A: Molar mass of VBr3 = Atomic mass of V + 3 X Atomic mass of Br = 51 + 3 X 80 = 291 g/mol Given : Mass…

Q: In a student experiment, the empirical formula of a copper halide was found by adding aluminum metal…

A: Empirical formula is the simplest chemical formula that represents a compound. It is related to…

Q: What mass of  NaHCO3  would he need to ingest to neutralize this much  HCl

A: Molarity = number of moles/volume of solution (in L)  number of moles = mass/molar mass

Q: What volume of 1.24 M KMnO4, in liters, contains 422 g of solute? Volume %3D

A: In order to find the volume of the solvent required we first write down the given data: Molarity=…

Q: What volume of 1.44 M KMN04, in liters, contains 292 g of solute? Volume = L. %3D

A: Given that, Molarity of KMnO4 = 1.44 M  Molar mass = 158.034 g mol-1 Mass of KMnO4 = 292 g  Volume…

Q: A chemist prepares a solution of barium chlorate (Ba(ClO,)) by measuring out 7.47 umol of barium…

A: Given;

Q: A chemist prepares a solution of vanadiumIII bromide VBr3 by measuring out 0.50g of VBr3 into a…

A:

Q: A chemist must prepare 0.250 L of 1.00 M aqueous sodium carbonate (Na, CO, working solution. He'll…

A:

Q: A chemist prepares a solution of mercury(I) chloride (Hg, Cl,) by measuring out 0.00011 umol of…

A:

Q: A chemist prepares a solution of silver perchlorate (AgCIO) by measuring out 2.4 kg of silver…

A: The amount of solute present in a solution is called Concentration. There are many concnetration…

Q: A chemist prepares a solution of sodium chloride (NaCl) by measuring out 0.50 g of NaCl into a 250.…

A: Given-> Weight of NaCl = 0.50 gm Volume = 250 ml =0.250 L (1L= 1000ml)

Q: A chemist prepares a solution of mercury(II) iodide (Hgl,) by measuring out 0.0051 umol of…

A: The concentration in units of moles per liter is called molarity. It is defined as the number of…

Q: A chemist prepares a solution of vanadium(III) chloride (VCl,) by measuring out 0.30 g of VCl, into…

A: Given, mass of VCl3= 0.30 g Volume of VCl3= 300 ml = 300×10−3L molar mass of VCl3=157.3 g/mol

Q: O CHEMICAL REACTIONS Calculating molarity using solute moles A chemist prepares a solution of…

A: Given, Note: 1 µmol = 10-6 mol Moles of FeBr3 = 85 µmol = 85 × 10-6 mol Note: 1 mL = 10-3 L Volume…

Q: A chemist prepares a solution of silver(I) nitrate (AGNO,) by measuring out 107. µmol of silver(1)…

A: Given data contains, Moles of silver nitrate is 107 μmol=107 μmol×1 mmole1000 μmol=0.107 mmol Volume…

Q: 50.0 kg mixture of salt and water is 15.0% (by mass) salt. Give the mass of the salt and water in…

A:

Q: A chemist prepares a solution of potassium permanganate (KMNO,) by measuring out 0.28 umol of…

A: Rules of significant figures: Any non-zero number is significant. Zeros between significant numbers…

Q: A chemist prepares a solution of zinc nitrate (Zn(NO, by measuring out 5.2 x 10 umol of zinc nitrate…

A: Number of moles = 5.2 × 102 u mol Volume of solution = 500 ml  ....Or  because 1L = 1000 ml…

Q: You dissolve 7.01 mol of glucose into a total volume of 438 mL.  What is the molarity of glucose in…

A:

Q: Suppose 0.0387 g of sodium iodide is dissolved in 200. mL of a 14.0 m M aqueous solution of…

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Q: A chemist prepares a solution of magnesium fluoride (MgF,) by measuring out 0.0152 µmol of magnesium…

A: Given that,  Moles of MgF2 added to 200 mL(= 0.2 L) flask = 0.0152 µmol = 0.0152×10-6 mol

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO,)) by measuring out 179. µmol of aluminum…

A:

Q: A chemist prepares a solution of vanadium(III) bromide (VBr) by measuring out 12. mg of VBr, into a…

A: Given, Note: 1000 mg = 1 g, 1000 mL = 1 L mass of VBr3 = 12. mg = 0.012 g Volume of the flask =…