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- A solution is made by dissolving 0.455 g of PbBr2 in 100 g of H2O at 50C. Based on the data in Table 8-1, should this solution be characterized as a. saturated or unsaturated b. dilute or concentratedWhen 4.75 g of sodium hydroxide (NaOH) was dissolved in 50.00 g of water a value of 11.00oC was obtained for ΔT.Calculate the molarity of the sodium hydroxide solution.f dissolving 1.5 g of a solute into 100 mL of water caused the temperature of the solution toincrease by 4.7 ⁰C, what would the change of temperature be if 1.5 g of the solute were dissolvedin only 50 mL of water? Explain.
- Calculate for the mass of glyceraldehyde (C3H6O3) needed to prepare 250 mL of each of the following solutions?a. 78% (w/v)b. 1.65 Mc. 890 ppmHow many grams of Ag2CO3 will be soluble in 250 ml of 0.180 M AgNO3? (Ksp of Ag2CO3 = 5.95 x 10-10)The freezing point of a 0.100 M acetic acid (CH3COOH) solution is determined to be-0.1878 C. Estimate the percent dissociation of acetic acid in this solution. Is it a strong orweak electrolyte? Note that acetic acid produces acetate (CH3COO-) and hydrogen (H+) ionswhen it is dissolved in water.
- Q: 0.001 percent (v/v) ethanol solution is considered Choices: saturated supersaturated concentrated dilute1) How many grams of MnI2 are there in 244 grams of an aqueous solution that is 27.9%(w/w) MnI2? ____g 2) How many grams of iron (II) chloride,FeCl2,are required to make a 6.28%(w/v) aqueous solution in a 500.mL volumetric flask? ____gIn standardizing a solution of NaOH against 1.431g of KHC8H4O4, the analyst uses 35.50 mL of the alkali and has to run back with 5.12 mL of acid ( 1mL ≎0.0031g Na2O) What is the normality of NaOH?
- What is the molarity of a solution in which 150g of CaO are dissolved in 1900mL of solution? (Use thefollowing given information: overline MW:Ca=40g/mol , O=16g/molA. 1.41 mol/LB. 0.0014 mol/LC. 0.0014 MD. 1.41 m4 in which of the following solutions would solid AgI be expected to ve least soluble at 25c? 0.1 m sri2 0.1 m nai 0.1 m hi 0.1 m kno3Calculate Ksp value for Ce(IO3)4, solubility = 1.8x10-4 mol/L
