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An impure sample of sodium carbonate, (Na2CO3) is allowed to react by dissolving it in an aqueous solution of 0.134 M HCl, according to the following reaction:
Na2CO3(s) + 2HCl(aq) → 2NaCl(aq) + CO2(g) + H2O(l)
If a 0.162 gram sample required 19.46 mL HCl to react completely, what is the weight percent of Na2CO3 in the original sample? (Express your answer as a percentage).
A solution containing 10.mmol of CO3^-2 and 5.0 mmol. Of HCO3- is titrated with 1.0M HCL What total volume of HCL must be added to reach the second equivalence point?
A nonelectrolyte solution adsorbs on an electrically neutral solid through a liquid. Two surfaces of this type are brought close to one another in the liquid such that they interact.
What mass of sucrose C 12 H 22 O 11 must be mixed with 543 grams of H 2 O to make a solution with an osmotic pressure =8.00 atm at the temperature of 12 degree celsius?
The density of titanium metal is 4.51g/cm3 at 25 degrees celsius. What mass of titanium displaces 125.0mL of water at 25 degrees celsius.
The pH of uncontaminated rain water is about 5.6. The pH of rain falling in Cleveland, OH is 4.2 and that in Omaha, NE is 5.5. What is the concentration of hydrogen ions in the rainfall of each city? [H] 6.3 ^ -5 for Cleveland.
Use a drawing program to draw a beaker.
What is the geometry and hybridization of the carbonyl carbon in carboxylic acids and their derivatives.
NaHCO3 (aq) + H3C6H5O7 (aq) 3CO2 (g) + 3H2O (l) + Na3C6H5O7 (aq) If 1.10 g sodium bicarbonate and 1.10 g citric acid are allowed to react, how many grams of carbon dioxide will form.
Using A sample having X amount of oxalic acid. If 0.5187 grams of the sample requires 40.20 mL of 0.1000 M Sodium hydroxide to neutralize the oxalic acid completely.
Calculate how many grams of phosphorus are present in 2.68 moles of phosphorus pentachloride(PCl5) and also determine the numbers of moles of chlorine are present in 3.71 grams of phosphorus pentachloride?
By what factor (The factor is the ratio of the rates) does the rate of this isomerization reaction increase as the temperature increases from 256 degree celsius to 297 degree celsius ?
121 cal of heat are added to 50.0 g of water initially at 15.0 (degrees celsius). What is the final temperature of the water.
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