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What is the concentration (in M) of the chloride ion when 18.2 mL of a 0.503 M solution of sodium chloride is combined with 18.9 mL of a 0.504 M solution of iron(III) chloride? Assume the volumes are additive.
the temperature decreases by 0.2010 K. Calculate the molar heat of solution of KCN.
An acid solution is 0.100 M in HCl and 0.190 M in H2SO4.What volume of a 0.150 M KOH solution would have to be added to 550.0 mL of the acidic solution to neutralize completely all of the acid?
A coffee-cup calorimeter is calibrated by adding 1840 J of heat to the water in the calorimeter and measuring a 1.72C rise in temperature.
Upon further analysis, the compound is found to be 25.305% C and 74.695% Cl. What is the molecular formula of the compound?
Calculate the grams of iron ion present in a 1.25 mL of a solution that required 2.20mL 0f 0.002115 M KMnO4 in a titration going to a faint pink endpoint.
Which of the following are not soluble in water? Remember that the solubility rules apply to ionic compounds, but not necessarily to covalent compounds
If the silver -silver chloride electrode is replaced with a saturated calomel electrode, what is the new cell voltage?
but did not exactly add 4.0 mL. Instead he added 4.50mL. What was the final concentration of her standardized solution in ppm?
A solution of acid is titrated with NaOH. Give the net ionic equation for this reaction. 2. Determine the pH for the following solutions, and identify them as acidic, basic, or neutral.
Consider a 0.37M solution of each of the following salts in distilled water. Will the solution be acidic, neutral, or basic? You may need to reference a table of Ka and Kb tables values.
A 5% solution by weight of an unknown non-electrolyte in water has a density of 1.018 g/mL if this solution exhibits an osmotic pressure of 3.57 ATM at 25C what is the MM of the unknown
How many grams of CO are needed to react with an excess of Fe2O3 to produce 558 g Fe? The equation for the reaction is: Fe2O3(s) + 2 CO(g) → 3 CO2(g) + 2 Fe(s)
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