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A sample of aqueous chlorine bleach solution was analyzed to contain 5.00% Cl(w/v) {or 5.00gcl per 100ml}. if the source if chlorine is calcium hypochlorite Ca(OC)2 (142.98), what is the % Ca(OCl)2 (w/v) in the bleach solution?
A given compound has the following solubility properties. At room temperature, it is souble in diethyl ehter but insoluble in both ethanol and water At high temperatures,
Draw the Lewis Structure for the ClF2+ion and AlF4-. For each ion, what are its electron-pair and molecular geometries? What orbitals on Cl and F overlap to form bonds between these elements
Calculate DE, and determine whether the process is endothermic or exothermic for the following cases: A system releases 29 kJ of heat to the surroundings and does 226 kJ of work on the surroundings.
Problem- Consider the electrolysis of molten barium chloride, BaCl2. How many grams of barium metal can be produced by supplying 0.50 A for 30 min
A 2.0 milliliter sample of KOH solution is neutralized by 4.0 milliliters of a 3.0 M HCl solution. What is the concentration of the KOH solution
A solution is made by dissolving 0.040 moles of the weak acid HA in water to make 1.00 L of a solution whose pH is 4.90. Calculate the Ka for the acid.
calculate the sodium ion concentration in a solution formed by diluting 35.00 mL of a .585 M sodium phosphate solution to a final volume of 145.00 mL
suppose a 5.00 l sample of o2 at a given temperature and pressure contains 2.73 times 1023 molecules. how many
a retro calculation of the amount of Ni(Nh3)6Cl2 that is needed if 20mL of 0.10M HCl are used to neutralize ammonia. The number I got was 0.07727 g.
If an electrolysis plant orperates it's electrolytic cells at a total of 1.0 x 106 amp. How long will it take to produce one metric ton (106 grams) of Mg(a) from seawater containing Mg2+
Nicotine, a stimulant found in tobacco, has the mass percent composition: C, 74.03%; H, 8.70%; N, 17.27%. The molar mass of nicotine is 162.23 g/mol. Find the molecular formula of nicotine.
A buffer that contains 0.49 M of the base, B, and 0.29 M of its conjugate acid, BH+, has a pH of 8.10. What is the pH after 0.0025 mol HCl is added to 0.25 L of this solution
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