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An antacid tablet requires 25.82 mL of a .200 M HCl to titrate to its equivalence point. What Volume in mL of stomach acid can be neutralized by the antacid tablet? assume that stomach acid has a pH of 1.1.
A patient weighs 165 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight. The drug is supplied as a solution that contains 25 mg of drug per mL of solution. How many mL of the drug should the patient receive?
A 4.78g sample of aluminum completely reacts with oxygen to form 6.67g of aluminum oxide. What is the mass percent composition of aluminum in aluminum oxide?
Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container.
determine the number of representative particles in each substancea. 250 mol of silverb. 8.56 x 10-3 mol of sodium
What would be the temperature change of 450ml of water that surrounds this ice cube assuming all the heat was transfered form the surrounding water.
Determine what mass of hydrogen is required to form 624g of methanol by the reaction CO+2H2->CH3OH.
What is the pH at the equivalence point? (Kb of NH3 = 1.8 A 20.0 mL sample of 0.20 M sodium acetate is titrated with 0.11 M HCl(aq). What is the pH after the addition of 50.0 mL HCl(aq)?
A) which is the limiting reactant? B) how many moles of AlCl3 are formed? C)how many moles of the excess reactant remain at the end of the reaction? I get the limiting reactant but not understanding the moles and how many moles of excess reactant.
if the initial water level in the graduated cylinder is 21.2 ml and the level rises to 27.7 ml after the object is
Which of the following is likely to form an ion with the most negative charge? A) aluminum B) sulfur C) chlorine D) argon
draw two lewis structures for cl2o7 one with a chlorine-chlorine bond and one with a cl-o-cl arrangement of atoms.
A 33.0 g sample of a nonelectrolyte was dissolved is 700. g of water. The solution's freezing point was -2.84°C.
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