What similar ingredients found in antacids
What similar ingredients found in antacids are similar to those ingredients found in Alka-Seltzer? (please be detailed and complete for high rating)
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What mass of sodium fluoride must be added to 250. mL of a0.100 M HF solution to give a buffer solution having a pH of3.50?
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Calculate the number of moles of NO2, F2, andNO2F present after 10 S if 2.00 moles of NO2 are mixed with 3.00moles of F2 in a 400 dm3 vessel at 300K.
The flow rate of methyl acetate in the mixture is to be 100.0 lb-mole/h. What must be the mixture flow rate be lbm/h?
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A single atomic layer of oxygen atoms (~5x1014 atomscm-2) collects on the surface of a 1 cm2 wafer of silicon. The silicon is thenmelted and all of the oxygen dissolves in it. Upon cooling silicon freezes into a singlecrystal again.
Calculate the mass fraction of each compound. What is the average molecular weight of the mixture? What would be the mass (kg) of a sample containing 25.0 kmol of ethyl acetate?
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