6.2 mL of an HCl solution is added to water and the resulting solution has volume 0.015 L and a concentration of 0.15 M. What was the concentration of the original solution? 62 M 0.062 M 0.36 M 0.15 M 6.2 M 0.41 M

Q: What is the appropriate size of volumetric flask to use if you want to dilute a 75.00 mL solution of…

A:

Q: 7. Exact amount of 25.0 ml NaOH solution whose concentration is 0.974 M was delivered from a pipet.…

A: Given Volume of NaOH solution = 25 ml Molarity of solution = 0.0974 M

Q: 2.77 g of NaCl is added to water. The final volume of the solution is 322 mL. Calculate the molarity…

A: Molar mass of NaCl = 58.44 g/mol Moles of NaCl taken = 2.77 / 58.44 = 0.0474 moles

Q: A 12.5% (w/w) NiCl2 (129.61 g/mol) solution has a density of 1.149 g/mL. Calculate a. the molar…

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

Q: A 12.5% (w/w) NiCl2 (MM=129.61 g/mol) solution has a density of 1.149 g/mL. Calculate the molar…

A:

Q: A 12.00 mL sample of 6.15 M KNO3 is diluted to a volume of 125.0 mL. What is the concentration of…

A:

Q: If 400 mL of water is added to 250 mL of a 2.4 M MgCl2 solution, what is the final concentration of…

A: Introduction: Molarity:  Molarity is often used to express the concentration of the solution. It is…

Q: A student weighs out 8.68 g sample of MnI2,transfer it to a 125mL volumetric flask,adds enough water…

A: Molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: What is the final concentration of a solution prepared by adding water to 50.0 mL of 1.5 M NaOH to…

A: Given,Molarity of NaOH (M1) = 1.5M.Volume (V1) = 50.0mL = 0.05L.Molarity of NaOH (M2) =?Volume (V2)…

Q: What is the molarity of a solution that contains 0.40 mol HCI in a 9.79L solution? O 5.67 M O 0.0133…

A: Solution contains 0.40 moles of HCl. Volume of solution = 9.79 L

Q: An aqueous solution (ρ = 0.988 g/mL) is 6.00% methanol CH3OH (molar mass = 32.04 g/mol) by mass.…

A:

Q: Consider the following precipitation reaction: 2Na3PO4(aq)+3CuCl2(aq)→ Cu3(PO4)2(s)+6NaCl(aq) What…

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

Q: A solution of NaOH is 95% by mass and has a density of 1.2 g/ml. How many mL of water should be…

A: Given data is as follows: The mass of NaOH = 95 g in 100 g of solution ( 95% by mass ) Density of…

Q: 4.0 g of NaOH is dissolved in distilled water to prepare 250 mL solution. If 15.0 mL of this…

A: In chemistry, there are many ways to check the deviation of experimental data from the accurate…

Q: Calculate the molarity of the two solutions. The first solution contains 0.650 mol of NaOH in 1.65 L…

A:

Q: How many moles of Ca(OH) 2 are required to completely react with 30.00 mL HCI solution? (HCl content…

A:

Q: 20. A sample of 0.0255 mol potassium hydroxide (KOH) was dissolved in water to prepare 10.0 mL of…

A: Molarity is defined as “the mole of the solute per unit volume of the solution”. It is represented…

Q: A student weighs out a 3.22 g sample of K2SO4 , transfers it to a 100. mL volumetric flask, adds…

A:

Q: A student removes 25 mL of 3.0 M NaOH and dilutes it to final volume of 350 mL. What is the…

A: Given,  Initial volume, V1 = 25 ml  Initial concentration, S1 = 3.0 M  Final Volume, V2 = 350 ml…

Q: Consider the following precipitation reaction: 2Na3PO4(aq)+3CuCl2(aq)→ Cu3(PO4)2(s)+6NaCl(aq) What…

A: The precipitation reaction is given below.

Q: You can click on the Review link to access the se A sodium nitrate solution is 14.4 % NaNO3 by mass…

A: Given: Percent by mass of NaNO3 = 14.4 % And density of the solution = 1.02 g/mL.

Q: What minimum mass of iron (II) nitrate must be added to 10.0ml of a 0.0699 M phosphate solution in…

A: The question is based on the concept of Reaction Stoichiometry.   limiting reagent is the reagent…

Q: 9. White vinegar sometimes is a solution of acetic acid, CH,CO,H in water. A 0.500L vinegar solution…

A:

Q: An aqueous solution contains 71.26 g LiCl per 675 mL of solution. What is the molarity of this…

A:

Q: Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows:Zn(s) + 2HCl(aq) → ZnCl2(aq) +…

A: The values are given as follows:

Q: An aqueous solution was prepared by dissolving 2.11 g of NaCl in enough water to make 1500. mL of…

A:

Q: Consider the precipitation reaction  2Na3PO4 (aq) + 3CuCl2 (aq) -----> Cu3(PO4)2 (s) + 6NaCl (aq)…

A: Balanced chemical equation: 2Na3PO4 (aq) + 3CuCl2 (aq) -----> Cu3(PO4)2 (s) + 6NaCl (aq) From the…

Q: A sample of 0.0255 mol potassium hydroxide (KOH) was dissolved in water to prepare 10.0 mL of…

A: Molarity of solution =Number of moles of soluteVolume of solution in L

Q: Consider the following precipitation reaction: 2 AgNO3(aq)+ MgCl2(aq) = 2AgCl(s)+ Mg(NO3)2(aq) How…

A:

Q: Consider the following precipitation reaction: 2 AgNO3(aq)+ MgCl2(aq) = 2AgCl(s)+ Mg(NO3)2(aq) How…

A: The given reaction is: 2AgNO3aq+MgCl2aq⇌2AgCls+MgNO32aq According to the above chemical reaction, 2…

Q: In the laboratory a student combines 31.7 mL of a 0.167 M calcium nitrate solution with 20.9 mL of a…

A: Number of moles of calcium nitrate and  ammonium nitrate can be calculated as follows:

Q: A student weighs out a 7.23 g sample of CoI2, transfers it to a 125 mL volumetric flask, adds enough…

A: Given: mass of CoI2=7.23 gvolume of solution=125 mL To find: Molarity of CoI2

Q: A 325 mL sample of solution contains 25.3 g of CaCl2.  Calculate the molar concentration of Cl– in…

A:

Q: How many grams of silver nitrate (169.87 g/mol) are needed to make 250. mL of a solution that is…

A:

Q: In the laboratory a student combines 23.6 mL of a 0.117 M aluminum bromide solution with 11.9 mL of…

A: It is given that 23.6 mL of 0.117 M of aluminium bromide is combined with 11.9 mL of 0.353 M of…

Q: molar concentration

A:

Q: What volume of a 50.0% by mass solution of NaOH, which has a density of 1.515 g/mL, must be added to…

A:

Q: .1L of commercial grade hydrochloric acid is added to water to bring the total volume of the…

A: The volume(V1) of commercial grade HCl=0.1 L. The molarity(M1) of commercial grade HCl=12.4 M, The…

Q: What is the molarity of the resulting solution when 300. mL of a 0.400 M solution is diluted to 800.…

A:

Q: Zinc dissolves in hydrochloric acid to yield hydrogen gas as follows: Zn(s) + 2HCl(aq) → ZnCl2(aq) +…

A: Determine limiting reagent:1 mL = 0.001 L

Q: How many g of Fe(NO3)3 are present in a 20.0 mL sample of a 0.500 M solution? A) 2.14 g B) 9.68 g C)…

A: Number of moles can be calculated from the given Molarity:

Q: What is the molar concentration of sodium ions in an aqueous solution prepared by dissolving 3.00 g…

A: Molar concentration or molarity ( M ) is defined as the number of moles ( n ) of solute present in…

Q: What types of substances are most likely to be soluble in water?

A: All the polar substances are most likely to be soluble in water.

Q: A 9.835-gram sample of cobalt(II) chloride hexahydrate (CoCl2•6H2O; molar mass = 237.9 g/mol) is…

A: Option C is correct.  M= 0.2756M Molarity is defined as number of moles of solute dissolves in per…

Q: A 125 mL sample of a 14.0 M solution is diluted to 500 mL. What is the concentration (molarity) of…

A:

Q: How many moles oI Ca(OH) 2 are required to completely react with 300.0 mL HCl Solution? (HCl content…

A:

Q: A student wants to prepare exactly 350. ml of a 0.2750 M aqueous potassium nitrate solution. What…

A: Given that, The molarity of aqueous potassium nitrate solution is 0.2750 M that means 0.2750 moles…

Q: In the laboratory you dilute 3.85 mL of a concentrated 12.0 M perchloric acid solution to a total…

A:

Q: A student weighs out a 3.62 g sample of NaCH3COO , transfers it to a 300. mL volumetric flask, adds…

A: Given : Mass of NaCH3COO i.e sodium acetate = 3.62 g And volume of solution = 300 mL = 0.300 L…