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Write the balance formula unit equation for the acid-base reaction of calcium hydroxide and hydrobromic acid. 1. What is the the chemical formula of the salt formed in this reaction? 2. If 24.01 mL of 0.110 M calcium hydroxide solution are reacted with 40.62 mL of 0.508 M hydrobromic acid, what is the molar concentration of the salt solution formed in this reaction? 3. what is the molar concentration of the excess reactant once this reaction has finished?
How Many Grams of CaCl2 should be dissolved in 500 ml of water to make a .20 M solution of Calcium Chloride
Water supply in a city is fluoridated by adding NaF. The preferred concentration of F- is 1.6ppm.calculate the amount of Naf in milligrams should be added per gallon (treated water) if the water supply is 0.2 ppm in F-?
If you have 330 ml of water at 25 degrees and add 110 ml of water at 95 degrees, What is the final temperature of the mixture.
The half-life of a certain radioactive element is 1,250 years. What percent of the atoms remain after 7,500 years?
A 3.5g sample of water reacts with PCl3 according to the following equation: 3H2O+PCl=H3PO3+3HCl How many g of H3PO3 are produced.
A solution was made by taking 1.250g of KMnO4 and dissolving it in enough water to make 1.000 liter of solution. This solution was used to titrate H2C2O4·2H2O, a very pure substance. In acidic media, the reaction is.
Hydrochloric acid HCl are permitted to react at atmospheric pressure and the volume change is -71.1 liters then determine how much PV work is done?
What is the solubility product constant? Given Ksp = 1.1 x 10^-3 for BaF2(s), calculate the molarity of Ba+2 in a saturate solution of BaF2 (at equilibrium).
A certain reaction has ?H equal to 11.57 kJ/mol. This reaction is normally run at room temperature (25?C). At what new temperature should the reaction be run so that K is twice its value at 25?C?
Acetyl chloride reactions, What major organic products would you expect to be formed when acetyl chloride reacts with the following reagents?
Table salt and sugar are accidentally mixed A 4.90 g sample is burned and 2.20-g of CO2 is produced What is the mass percentage of salt in the mixture?
Determine the mass of the steel bar If the final temperature of the system reached to 21.0 degree celsius?
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