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- A 84.0 mg sample of Red 40 dye was dissolved and diluted to a final volume of 0.750L with deionized water. What is the concentration of the Red 40 dye solution in ppm? -parts per million (ppm) refers to 1mg of solute in 1.0L of solution; (mg/L) 112 ppm is the answer. ( pleaae show how to calculate this problem)The Henry’s law constant for CO2 in water at 25 °C is3.1x 10-2 M atm-1. (a) What is the solubility of CO2 inwater at this temperature if the solution is in contact withair at normal atmospheric pressure? (b) Assume that all ofthis CO2 is in the form of H2CO3 produced by the reactionbetween CO2 and H2O:CO2(aq) + H2O(l)------>H2CO3(aq)What is the pH of this solution?Calculate the volume of solution required to dissolve 65.1 g of C12H22O11(molar mass 342.34g/mol) to producers a solution with a molar it's of 1.12M
- In which solution PbSO4, be most soluble ? Why? 1 pure H2O 2. 0.05mol/L NaNO3 3. 0.05mol/LNa2SO4 4. 0.05 mol/L Pb(NO3)24 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 kno3How many grams of Ag2CO3 will be soluble in 250 ml of 0.180 M AgNO3? (Ksp of Ag2CO3 = 5.95 x 10-10)
- Calculate the solubility in water of Au2CrO4. Ksp for Au2CrO4 is 7.3x10^-40 Please give this answer in mols/liter and grams/literinstead of dissolving Ag2SO4 (ksp = 7.8x10^-11) in water, you decide to dissolve it in a 2.0x10^-2 mol/L solution of AgNO3. What is it's solubility in this solution?1. You are given 500.0mL of 600.0 ppm solution of sucrose. What volume of this solution in mL contains 0.150g sucrose? 2. CaF2, is most soluble in (ksp=4.0 x 10^-11) a. water b. solution at pH 3.5 c. solution at pH 10 d. 0.3 M NaF = 1.51 V
- Calculate the solubility (in g/L) of O2 in water at a partial pressure of O2 of 120. torr at 25oC. (k(O2) = 780. atm*L/mol) (A.W.'s: H = 1.008 amu, O = 16.00 amu) Answer: 6.48 x 10-3 g/L show steps on how to solve25 mL of a bleach (NaOCl) sample is diluted to 500 mL. An excessive amount of KI is added to the 20 mL solution taken from here and the I2 released is titrated with 35.5 mL of 0.0409 M NaS2O3. Accordingly, calculate the weight percent by volume of NaOCl in the sample. (MaNaOC:74,4 g/mol)A solution was prepared by dissolving 1210mg of K3Fe(CN)6 (329.2g/mol) in sufficient water to give 775mol. Calculate a. The weight/volume percentage of K3Fe(CN)6 b. The number of millimoles of K+ in 50.0ml of this solution c. ppm Fe(CN)6
