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If a 10.0 mL sample of water from Newtown Creek is titrated to detect chloride ion...
(5 marks) A solution containing chloride ion was analyzed by the mL sample containing chloride ion was treated with 25.00 mL of 0.2500 M silver nitrate. The precipitated AgCl was removed from the solution by filtration, and 1.00 mL of 0.1000 M Fe3 was added to the filtrate in order to titrate excess Ag with SCN. A volume of 10.67 mL of 0.2380 M KSCN was required for solution to turn red colour. What is the concentration of chloride ion...
Question A 20.0 mL sample solution contains unknown amount of bromide ion (Br). To this solution was added the solution that contains plenty of AgNO3. AgBr precipitates were formed. The precipitate were filtered and measured to be is 0.6964 g. What is the molarity of bromide ion in the original sample solution? The molar mass of Br = 80.0 g; the molar mass of AgBr = 188 g. (Solution) AgNO, is soluble and thus exists Ag+ ion and NO3-ion. Ag+...
QUESTION 1 A 20.0 mL sample solution contains unknown amount of bromide ion (Br). To this solution was added the solution that contains plenty of AgNO3. AgBr precipitates were formed. The precipitate were filtered and measured to be is 0.6964 g. What is the molarity of bromide ion in the original sample solution? The molar mass of Br = 80.0 g; the molar mass of AgBr = 188 g. (Solution) AgNO, is soluble and thus exists Ag+ ion and NO3-ion....
1. A 0.4187 g sample of a pure soluble chloride compound is dissolved in water, and all of the chloride ion is precipitated as AgCl by the addition of an excess of silver nitrate. The mass of the resulting AgCl is found to be 0.9536 g. What is the mass percentage of chlorine in the original compound? ________% 2. A student determines the calcium content of a solution by first precipitating it as calcium hydroxide, and then decomposing the hydroxide...
Determining the amount of sulfate ion (SO2) dissolved in seawater in the unit of molarity QUESTION Sulfate concentration in the seawater is about 28 mm (0.028 M). Take the reverse approach to the calculation procedure in the previous Question #1 (so called a backward calculation) and find a rough estimate for the volume of the seawater sample you may need to take from the beach like the one below. A 20.0 mL sample solution contains unknown amount of bromide ion...
This is the Measurement of Chloride Water Sample Initial volume of water (mL) Average volume of AgNO3 added (mL) Lake water 100.0 14.62 Wastewater effluent 25.0 20.31 Tap water 100.0 13.03 Materials -Water samples (Lake water, Wastewater effluent, and Tap water) -0.010M AgNO3 -0.25 M Na2CrO4 All of the calculation need to be completed for each of the three water samples. 1. Moles of AgNO3 used ot react Cl (Hint: Use the concentration of the AgNo3 solution (in M) and...
What mass of SnCl4 is required to prepare 125.0 mL of solution having a chloride ion concentration of 1.50 M? (molar mass of SnCl4 = 260.50 g/mol)
1) A saturated solution of copper (II) iodate in pure water has a copper ion concentration of 2.7X10^-3 M. a) whar is the molar solubility of copper iodate in a 0.35 M Potassium iodate solution B) what is the molar solubility of copper Iodate in 0.35 M copper nitrate solution 2) a)consider the slightly soluble salt, silver chloride, Agcl. If you had 10.0 g of silver chloride, what volume of water would be required to completely dissolve this amount b)...
A 55.00 mL sample of bottled water is titrated with 0.00033000 M silver nitrate to determine the concentration of dissolved chloride. The end point is determined electrochemically. At the endpoint it was determined that 17.26 mL of titrant was used. What is the molarity of chloride in the original sample?
A 0.173 g sample of a monoprotic acid is dissolved in water and titrated with 0.120 M NaOH. What is the molar mass of the acid if 10.5 mL of the NaOH solution is required to neutralize the sample? molar mass: 274.6 molar mass: 274.6 g/mol g/mol