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One tablet of Regular Strength Maalox claims to contain 600mgCaCo3. If 7.25 mL of .100 M NaOH titrant is used to backtitrate the excess .100 M HCl from the analysis of one-third of aMaalox tablet, how many milliliters of .100 M HCl have beeninitially added to the 200 mg of CaCO3 in the Maalox sample?
A lightning flash is seen and then 1.9 seconds later the thunderclap is heard. How far away in miles did the lightning strike if sound travels 1087 feet per second and a mile is exactly 5280 feet
Calculate the pH of 1.00 L of the buffer 1.00 M CH3COONa/1.00 M CH3COOH before and after the addition of (a) 0.080 mol NaOH, (b) 0.12 mol HCl. (Assume that there is no change in volume.)
how many grams of ammonium phosphate need to be combined to 500. grams of water if the freezing point of the solution
Which of the 5 most common active ingredients is the most effective by mass at neutralizing excess stomach acid
What is the percent yield of a reaction in which 216 g phosphorus trichloride reacts with excess water to form 134 g HCl and aqueous phosphorus acid (H3PO3)
an unknown amount of water is mixed with 350 ml of a 6 m solution of naoh solution. a 75 ml sample of the resulting
the experimentally determined freezing point of 1.00 solution mass of nitric acid hno3 is -0.56 0c. calculate the
Provide a structure for the following compound: molecular mass 101; IR: 3397, 3200, 1655, 1622 cm-1; 13C NMR: ? 27.5, ? 38.0 (weak), ? 180.5 (weak).
a graduated cylinder contains 133 of water. a 10.0 piece of iron density 7.86 and a 16.0 piece of lead are added.
determine the new volume ofnbsp a 1.3 l balloon if it is taken from room temperature that is twenty five degree celsius
Hydrogen is collected over water at .975 atm and 28 degrees Celsius. What is the partial pressure of H2?
draw the structures for all the products obtained from the Diels - alders reaction of 2 methyl 1,3 butadiene and propene
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