A chemist adds 475.0 mL of a 0.00126 g/L zinc oxalate (ZnC,0,) solution to a flask. Calculate the mass in milligrams of zinc oxalate the chemist has added to the flask. Be sure your answer has the correct number of significant digits. mg

Q: A chemist adds 650.0 mL of a 5.99 g/dL potassium dichromate (K,Cr,O,) solution to a flask. Calculate…

A: Step 1. Calculate Molarity of potassium dichromate (K2​Cr2​O7​) solution:   Strength of potassium…

Q: A chemist prepares a solution of potassium iodide (KI) by weighing out 25.38 g of potassium iodide…

A: Mass of potassium Iodide = 25.38 g Volume of water = 100. mL The concentration is needed in the unit…

Q: A chemistry student weighs out 0.0261 g of acrylic acid (HCH,CHCO2) into a 250. mL volumetric flask…

A: At equivalent point  Number of equivalent of acid = number of equivalent of base. Valence factor of…

Q: A chemistry student weighs out 0.146 g of citric acid (H,C,H,O,), a triprotic acid, into a 250. mL…

A:

Q: A chemist must prepare 250. mL of 5.00 mM aqueous copper(II) fluoride (CuF,) working solution. He'll…

A: C1V1 = C2V2 C1 is concentration of stock solution V1 is volume of stock solution V2 is volume of…

Q: A chemist must prepare 625.mL of 149.μM aqueous magnesium fluoride MgF2 working solution. He'll…

A: Dilution is the solution obtained by adding more solvent in the stock (more concentrated) solution.…

Q: A chemist must prepare 650. mL of 81.0 µM aqueous zinc oxalate (ZnC,0,) working solution. She'll do…

A:

Q: A chemist prepares a solution of copper(II) fluoride (CuF,) by weighing out 0.0245 g of copper(II)…

A: Given: mass = 0.0245 g volume = 50 mL = 0.5 dL we have to determine the concentration of copper…

Q: A chemistry student weighs out 0.184 g of phosphoric acid (H, PO a triprotic acid, into a 250. ml.…

A: Given data,Mass of H3PO4=0.184gVolume of water=250mL=0.250LMolarity of NaOH=0.1400M

Q: A chemistry student weighs out 0.0955 g of ascorbic acid (H,C,H,O6), a diprotic acid, into a 250. mL…

A: Molar mass of ascorbic acid = 176.12 g/mol mass o f ascorbic acid = 0.0955 g Number of moles of…

Q: A chemist adds 975.0 mL of a 9.36 g/dL sodium hyposulfate (Na, S,0,) solution to a flask. Calculate…

A: The ratio of moles to the volume in liters is known as molarity.

Q: A chemist must prepare 800.mL of 270.mM aqueous potassium permanganate KMnO4 working solution. He'll…

A: Volume of solution to be prepared = 800 mL Concentration of solution = 270 mM = 0.270M Concentration…

Q: A chemistry student weighs out 0.232 g of ascorbic acid (H,C,H,O6), a diprotic acid, into a 250. mL…

A:

Q: A chemistry student weighs out 0.0252 g of sulfurous acid (H,so,), a diprotic acid, into a 250. mL…

A: The molar mass of sulfurous acid is 82.07 g/mol. The number of moles sulphurous acid is calculated…

Q: A chemist must prepare 375. mL of 890. µM aqueous copper(II) fluoride (CuF,) working solution. He'll…

A:

Q: A chemist must prepare 500. mL of 1.00 M aqueous barium chlorate (Ba(Cl03),) working solution. He'll…

A: From the provided stock solution of 1.22M Barium chlorate solution, 500mL of 1M aqueous barium…

Q: A chemistry student weighs out 0.173 g of ascorbic acid (H₂CH₂O), a diprotic acid, into a 250. mL…

A:

Q: A chemistry student weighs out 0.183 g of sulfurous acid (H,SO3), a diprotic acid, into a 250. mL…

A: According to law of gram equivalence, for an acid base reaction at equivalence point, number of gram…

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 2.3 x 10 umol of iron(II)…

A: Change micro mol to mili mol the volume in L. then divide it.

Q: A chemist must prepare 750. mL of 240. mM aqueous sodium carbonate (Na₂CO3) working solution. He'll…

A:

Q: A chemistry student weighs out 0.0377 g of acrylic acid (HCH,CHCO,) into a 250. mL volumetric flask…

A: The solution is given below -

Q: A chemistry student weighs out 0.116 g of hypobromous acid (HBrO) into a 250. mL volumetric flask…

A: Given  Mass of HBrO =  0.116 gram  Volume  =  250 mL  Molarity of NaOH  = 0.1600 M  Volume of NaOH…

Q: A chemist must prepare 575.mL of 1.00M aqueous sodium carbonate Na2CO3  working solution. She'll do…

A: When a concentrated solution (stock solution) of concentration C1 and volume V1 is diluted by adding…

Q: A chemistry student weighs out 0.166 g of ascorbic acid (H,C,H,O), a diprotic acid, into a 250. mL…

A: Ascorbic acid reacts with sodium hydroxide to form sodium ascorbate and water. The equation for the…

Q: A chemistry student weighs out 0.176 g of chloroacetic acid (HCH,,CIco,) into a 250. mL volumetric…

A: Given: Mass of chloroacetic acid is 0.176 g Volume - 250 mL 0.1700 M NaOH

Q: Calculate the volume in liters of a 0.0251 g/L mercury(II) iodide solution that contains 125. mg of…

A: Density of HgI2 = 0.0251 g/L  Mass of HgI2 = 125 mg   ....Or  because 1g = 1000 mg    ....so,  = 125…

Q: An analytical chemist weighs out 0.109 g of an unknown triprotic acid into a 250 mL volumetric flask…

A:

Q: A chemist adds 415.0 mL of a 9.84 × 10 "M magnesium fluoride (MgF2) solution to a reaction flask.…

A:

Q: A chemist prepares a solution of zinc oxalate (ZnC₂04) by measuring out 1.47 mg of zinc oxalate into…

A:

Q: An analytical chemist weighs out 0.181 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Let the diprotic acid be H2A. The reaction between the diprotic acid and NaOH is shown as: H2A +…

Q: A chemistry student weighs out 0.159 g of ascorbic acid (H,CH¸O.), a diprotic acid, into a 250. mL…

A: At equalvalence  point no of milimoles  of acid equal  to no of milimoels  of  base  Formula  used…

Q: A chemistry student weighs out 0.0513 g of sulfurous acid (H,SO,), a diprotic acid, into a 250. mL…

A: Given : Mass of H2SO3 taken = 0.0513 g And concentration of NaHH taken = 0.1500 M Molar mass of…

Q: A chemistry student weighs out 0.0856 g of citric acid (H,C H,0,), a triprotic acid, into a 250. mL…

A: Given, amount of citric acid =0.0856 gramvolume of citric acid solution =250 mL =0.250 Lis titrated…

Q: A chemistry student weighs out 0.0775 g of phosphoric acid (H₂PO4), a triprotic acid, into a 250. mL…

A: Given -> Weight of H3PO4 = 0.0775 gm Volume of H3PO4= 250 ml = 0.250 L (1L = 1000ml) Molarity of…

Q: A chemist must dilute 20.3 mL of 1.37 M aqueous calcium bromide (CaBr,) solution until the…

A: Final volume on dilution can be calculated by the following formula. M1V1=M2V2V2=M1V1M2M1=initial…

Q: A chemistry student weighs out 0.379 g of citric acid (H,C,H,O,), a triprotic acid, into a 250. mL…

A: Given data is as follows: The mass of citric acid = 0.379 g The volume of citric acid V1= 250 mL The…

Q: A chemistry student weighs out 0.154 g of sulfurous acid (H, SO,), a diprotic acid, into a 250. mL…

A:

Q: A chemistry student weighs out 0.145 g of sulfurous acid (H,SO,), a diprotic acid, into a 250. mL…

A: The solution is as follows :

Q: A chemist must prepare 450.mL of 370.mM aqueous potassium permanganate KMnO4 working solution.…

A: We have to calculate the volume of stock solution.

Q: A chemistry student weighs out 0.0827 g of phosphoric acid (H,PO,), a triprotic acid, into a 250. mL…

A:

Q: A chemistry student weighs out 0.0852 g of phosphoric acid (H, PO), a triprotic acid, into a 250. mL…

A: Given data :

Q: A chemist must dilute 15.5 mL of 5.62 M aqueous sodium chloride (NaCl) solution until the…

A: Given, initial concentration of aqueous solution of NaCl =5.62 Minitial volume of solution =15.5…

Q: A chemistry student weighs out 0.0570 g of citric acid (H,C,H,O,), a triprotic acid, into a 250. mL…

A:

Q: mmol A chemist makes 460. mL of magnesium fluoride (MgF₂) working solution by adding distilled water…

A:

Q: A chemistry student weighs out 0.106 g of ascorbic acid (H,C,H,O.), a diprotic acid, into a 250. mL…

A:

Q: A chemistry student weighs out 0.420 g of citric acid (H,C,H,O,), a triprotic acid, into a 250. mL…

A: The quantitative analysis for determining the concentration of an acid or base by neutralizing it…

Q: A chemistry student weighs out 0.282 g of ascorbic acid (H,C¸H¸O), a diprotic acid, into a 250. mL…

A: Given : Mass of H2C6H6O6 = 0.282 g And concentration of NaOH = 0.2000 M The neutralisation reaction…

Q: A chemist prepares a solution of iron(III) bromide (FeBr,) by weighing out 152.1 g of iron(III)…

A: Given, mass of iron(iii) bromide (FeBr3) = 152.1 g            volume of water added (solution) =…

Q: A chemistry student weighs out 0.0258 g of hypochlorous acid (HCIO) into a 250. mL volumetric flask…

A: Given that: Mass of HClO = 0.0258g  Molar mass of HClO = 52.46g/mol Moles of HClO =…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.