P5 Convert 3.20 x 10 J kilojoules STARTING AMOUNT

Q: A scientist dissolves enough magnesium phosphate in water to create a saturated solution. If the…

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Q: Calculating ion molarity using solute mass A chemist prepares a solution of magnesium bromide…

A: For MgBr2 solution , the molarity of Mg2+ is same with MgBr2 and  Br- will be double than the…

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: In a titration experiment, 27.7 mL of 0.719 M HCOOH neutralizes 29.2 mL of Ba(OH)₂. What is the…

A: Volume of HCOOH, V1 = 27.7 mLConcertation of HCOOH, M1 = 0.719 MVolume of Ba(OH)2, V2 = 29.2…

Q: cation acts as an acid.

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Q: What mass of NaOHNaOH is needed to precipitate the Cd2+Cd2+ ions from 30.0 mLmL of 0.530 MM…

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Q: Toxic Cr(VI) can be precipitated from an aqueous solution by bubbling SO2 through the solution. How…

A: Given Volume = 3.00 × 108 L  molarity = 4.00×10-2 mM

Q: Expand the units of molarity for this solution: 0.035 M CaCl2 When the units are expanded, enter the…

A: The objective of the question is to expand the given concentration of the calcium chloride (CaCl2)…

Q: chemistry student weighs out 0.152g of phosphoric acid H3PO4 , a triprotic acid, into a 250.mL…

A: Given that, 0.152 g of H3PO4 was dilute to 250. mL. Then, this was titrated with 0.2000 M of NaOH…

Q: pH

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Q: Most analytical machines used in science can either measure absorbance of light, like the…

A: Given: mg/L NO3- Absorbance 0 0 0.1 0.183 0.3 0.542 0.5 0.914 0.7 1.298 1 1.61

Q: Suppose 84.3 g of potassium dihydrogen phosphate (KH2PO4) are dissolved in 8.70 L of water. Find the…

A: I hope this is helpful If you have any doubt you can ask me for clarification.

Q: 1. How would each of the following procedural errors affect the value obtained for the molar volume…

A: Answer: When a metal reacts with acid, it produces H2 gas and metal salts. For example: Na+HCl= Nacl…

Q: Ca2+ in a drinking water sample was analyzed by the following reactions below: Ca2+(aq) +…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Imagine that you have 4 buckets full of dark, muddy water. One bucket is frozen, one bucket is…

A: The bucket which is most likely to become lighter in color is

Q: Give the answers that should be filled in the blanks below: Acetic acid solution: pH = 5.80; (a)…

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Q: If 0.42 mg calcium fluoride, CaF2 is used as above to add fuoride to the drinking water, does CaFz…

A: Given that 0.42 mg CaF2 is used to add fluoride in drinking water.We have to find between 0.42 mg of…

Q: chemistry student weighs out 0.160 g of sulfurous acid (H2SO3), a diprotic acid, into a 250. mL…

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Q: 6. Determine the concentrations of H,0*(aq) and OH(aq) and the pH in the following solutions of…

A: HCl is a strong acid and will dissociate into H+ and OH- Thus the concentration of H+ and OH- will…

Q: Suppose a group of students put 2.92 grams of an unknown solid acid into a 250-mL volumetric flask…

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Q: Use your knowledge about solubility rules and reactions to write (1) a balanced chemical  equation…

A: Balanced chemical equation : Mg(NO3)2(aq) + H2SO4(aq) → MgSO4 (s) + 2 HNO3 (l)

Q: Discuss and give a reason for the pollution problem associated with acid rain?

A: Compounds like sulphuric acid and nitric acid mix together in the atmosphere and then falls on the…

Q: On a balance mass an amount of potassium hydrogen phthalate (KHP) needed to neutralize approximately…

A: KHP is Potassium Hydrogen Phthalate. Molarity of NaOH = 0.1M  Volume of NaOH solution. = 12 mL =…

Q: If 0.42 mg calcium fluoride, CaF2 is used as above to add fuoride to the drinking water, does CaFz…

A: Given that , Volume of water = 250 mL  Weight of CaF2 and NaF are same i.e.0.42mg = 0.00042 g…

Q: A chemistry student weighs out 0.146 g of lactic acid (HC,H,O,) into a 250. mL volumetric flask and…

A: Mass of lactic acid = 0.146 gMolar mass of lactic acid = 90 g/molMoles of lactic acid = Mass of…

Q: A student prepares a dilute solution of sodium hydroxide, NaOH (aq), starting with 6 M sodium…

A: A) Given : Volume of diluted NaOH solution required = 21.84 mL = 0.02184 L…

Q: Q22:  Phosphate buffer solution is purchased as a(n) 2x stock solution. The solution is more…

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Q: The solubility product constant for a certain metal fluoride, MF2 is Ksp = 1.2 × 10−6. Its molar…

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Q: Most analytical machines used in science can either measure absorbance of light, like the…

A: Concentration of unknown solution can be determined from the graph of concentration vs. Absorbance.

Q: The concentration of chloride in seawater is 0.55 M and essentially zero in freshwater. Compare the…

A: The solubility of lead (II) chloride is affected by the concentration of chloride ions in the…

Q: the reactants Sodium Carbonate and the product sodium Chloride are white solids and cannot be…

A: In a chemical reaction, some reactants are converted to the products. Sometimes, a chemical test is…

Q: Sodium carbonate dissociates when it dissolves in water as follows:   If the concentration of…

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Q: Use your knowledge about solubility rules and reactions to write (1) a balanced chemical equation…

A: The objective of the question is to write balanced chemical equations, total ionic equations, and…