chemist prepares a solution of magnesium bromide (MgBr,) by measuring out 1.8 g of me mark with distilled water. alculate the molarity of Br anions in the chemist's solution. e sure your answer is rounded to 2 significant digits. mol

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 58.6 g of iron(II)…

A: Given, Mass of iron (II) bromide (FeBr2) = 58.6 g Volume of the flask = volume of the solution = 250…

Q: If it is found that 5.00 mL of a sample has a mass of 5.250 g, what is the concentration of the…

A: Amount of substance present in 100ml of solution is defined as the percentage mass by volume. %m/v =…

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: How much water, in mL, needs to be added to 29.7 mL of 11.2 M HNO3 to make a 6.05 M solution with…

A: Given values,  V1 = 29.7mL N1=11.2M N2=6.05M And V2=?

Q: A chemist prepares a solution of barium chloride (BaCl₂) by measuring out 9.93g of barium chloride…

A: The objective of this question is to calculate the concentration of a barium chloride solution in…

Q: A student takes a sample of KOH solution and dilutes it to 100.00 mL of water. The student…

A: Dilution of solution can be done by adding water in it and the concentration of original solution…

Q: 35.0 g MgBr, in 220.0 mL of solution Express your answer with the appropriate units. HÀ M = Value…

A: Answer Part C)  Mass of MgBr2 = 35.0 g  Volume of solution = 220.0 ml  ...Or  because 1L = 1000 ml…

Q: suppose 1.87 g of zinc bromide is dissolved in 50. mL of a 0.30 M aqueous solution of potassium…

A:

Q: Suppose 21.8 g of zinc iodide is dissolved in 250. mL of a 0.70 M aqueous solution of potassium…

A: ZnI2 completely dissolves in water to produce Zn2+ and 2I- So, Molarity of iodide ion = 2 x molarity…

Q: For the following questions (Q1-Q5), consider the compound tartrazine (Yellow 5 food dye) that has a…

A: Given, 2.487 x 10-4 moles of tartrazine

Q: You have 59.95 grams of a compound in 89.35 mL solution. (Hint: write as a fraction of grams per mL)…

A:

Q: A chemist adds 140.0 mL of a 0.514M aluminum sulfate (Al, (SO₂),) & solution to a reaction flask.…

A: Millimoles of aluminium sulfate =?

Q: Convert 1.99 mol of sulfite (SO3) ions to equivalents. 1.99 mol s03 = 1 TOOLS *10

A:

Q: A chemist needs 16.63 mL of 1.816 M NaOH. What volume in mL of 3.97 M NaOH must be diluted in water…

A: During dilution with water the number of moles before dilution and after dilution remains constant.

Q: Suppose 0.112 g of sodium chloride is dissolved in 50. mL of a 22.0 m M aqueous solution of silver…

A: We are given that 0.112 g NaCl dissolves in 50 mL of 22.0 mM aqueous solution therefore reaction…

Q: Please answer it this is a question from the topic of chemistry "Solution"   A water solution…

A: Density of the solution tells about the quantity of the substance present per unit volume of the…

Q: A chemist prepares a solution of magnesium chlonde (MgCl) by measuring out 0,40 g of MgCl, into a 50…

A:

Q: What is the molarity of a solution that contains 57.7 g Na2CO, in 4.00 L of solution?

A:

Q: A chemist adds 0.75 L of a 0.512 mol/L aluminum chloride (AIC1,) solution to a reaction flask.…

A: Given that, Molarity of AlCl3=0.512 mol L-1 Molar mass of AlCl3=133.34 g mol-1 Volume = 0.75 L Then,

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: a slotutipn of hydrochloric acid in water is 60.0% hcl and 40% water h20, by weight . the solution…

A: To calculate the concentration of a solution some units are used, One of the most used measurement…

Q: volume of 34.2 mL of a 1.16 M KMnO4 solution is mixed with 16.7 mL of a 0.392 M KMnO4 solution.…

A: Given, Note: 1L = 1000 mL Solution I Concentration of KMnO4 solution I = 1.16 M = 1.16 mol/L Volume…

Q: You dissolve 4.69 mol of glucose into a total volume of 493 mL. What is the molarity of glucose in…

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

Q: If you dilute 35.0 mL of 1.00 M hydrochloric acid to 800. mL, what is the molar concentration of the…

A:

Q: This lab used 6 M HCl that was diluted from a higher concentration.  If your lab instructor asked…

A: • Concentration (C) = No. of molesVolume• No. of moles = Concentration (C) x Volume (V)# If dilution…

Q: A chemist prepares a solution of iron (II) chloride (FeCl₂) by measuring out 1.75 g of FeCl₂ into a…

A: Given,mass of FeCl2 = 1.75 gvolume of the solution = 250. mL

Q: Suppose 17.4 g of zinc chloride is dissolved in 350. mL of a 0.20 M aqueous solution of potassium…

A:

Q: Suppose 0.904 g of potassium iodide is dissolved in 350. mL of a 19.0 m M aqueous solution of silver…

A:

Q: For the following questions (Q1-Q5), consider the compound tartrazine (Yellow 5 food dye) that has a…

A: Since you have posted multiple questions, we are entitled to answer the first question only.

Q: Calculate the volume in milliliters of a 1.26M silver perchlorate solution that contains 25.0 g of…

A:

Q: A student takes a sample of KOH solution and dilutes it to 100.00 mL of water. The student…

A:

Q: Suppose 46.2 g of sodium chloride is dissolved in 200. mL of a 0.80 M aqueous solution of silver…

A:

Q: What is the percent by mass NaCl of a solution that contains 56.0 grams of BeO and 138.0 grams of…

A: Given: The mass of the solute, i.e;  BeO=56 g. The mass of  the solvent, i.e; H2O=138 g. Therefore…

Q: How would the following errors affect the empirical formula for the compound? The student ran out of…

A: The heating is used in this procedure so as to eliminate to the most the molecules of water. Start…

Q: A chemist adds 40.0 ml of a 0.82 mol/L barium chloride (BaCl,) solution to a reaction flask.…

A: given, volume of solution == 40.0 mL = 0.040 L molarity of solution = 0.82 mol/L

Q: A geochemist measures the concentration of salt dissolved in Lake Parsons and finds a concentration…

A: Given: Concentration of salt dissolved in Lake Parsons = 28.44 g/L Average concentration of salt in…

Q: If it is found that 5.00 mL of a sample has a mass of 6.083 g, what is the density of the sample in…

A:

Q: Suppose 11.3 g of barium nitrate is dissolved in 350. mL of a 0.20 M aqueous solution of sodium…

A:

Q: 0.332 mL of 51.72 M of aqueous NaOH solution is diluted to a volume of 482.2 mL.  What is the…

A: