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When calcium carbonate tablet , like tums, is ingested, it dissolves by reacting with stomach acids wich contains hydrochloric acid. the equation for this reaction is CaCO3(s)+HCL(aq)-->CaCl2 (aq)+ H2O(l)+CO2(g) how many calcium carbonate tablets, each containing 500mg of the active ingredient are required to react with 49.9 grams of stomach acid containing 37.5%HCl by mass?
If 18.4 mL of 0.800 M~rm HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
1 what is the molarity of a kfaq solution containing 116g of kf in 1.00 l of solution?2 what is the molarity of an
if the cell had an excess of NADHPH but needed to make ribose-5-phosphate, which glycolytic(s) would be used? a. glucose-6-phosphate and fructose-6-phosphate
in a particular titration experiment a 25.0 ml sample of an unknown monoprotic acid required 30.0 ml of .200 m naoh for
Draw a circuit diagram that subtracts two inputs signals and then amplifies the subtracted signal
The balences in the lab can weigh a maximum of 220.000 g at once. if a beaker has a mass of 86.4329 g, what is the maximum volum of water
what is the molar mass of gas if 0.250 g of the gas occupies 215 mL at 61 8mmHg and 30. 0C
the mechanism involved in the distillation of a mixture containing acetone and ethanol
Element X has two natural isotopes: X-6 (6.015 amu) and X-7 (7.016 amu). Calculate the atomic mass of the element X given the abundance of X-7 is 92.5%
To separate the proteins, you need a separation of at least 1.5 cm between the boundary layers associated with each protein. Using your answer in part b), will it be possible to separate the proteins by centrifugation
A 50.0 mL volume of 0.15 M HBr is titrated with 0.25 M KOH. Calculate the pH after the addition of 16.0mL of KOH.
Quantum number representations - What are the possible values of the four quantum numbers for one electron in a 5d orbital?
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