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If a city water supply has a limit of 264 ppm of nitrate ion, what is the maximum amount of nitrate ion, in grams, that may be present in a 9,675 gallon reserve? Round to the nearest whole number.
2.70 mol of mn2o3 reacted with 2.60 mol of carbonmn2o3 3c rarr 2mn 3cocalculate the number of moles of carbon
A 5 g antacid tablet listing aluminum hydroxide, Al(OH)3, as its active ingredient requires 138.60 mL of 0.1111 M hydrochloric acid to neutralize via titration. What is the percent (w/w) of aluminum hydroxide in the tablet
multiple choice questions in nuclear chemistry.1. magnesium-28 decays via beta emission which equation represents the
What mass of calcium can be produced by this process if a current of 6200 {\rm A} is applied for 35 {\rm h}? Assume that the electrolytic cell is 69 % efficient. also What is the minimum voltage needed to cause the electrolysis
How many types of nonequivalent protons does the following compound contain
A buffer solution is 1.0 M in HF (Ka=6.8*10^-4) and 2.0 M in NaF. What is the pH of this solution after the addition of 0.4 mol NaOH to 1.0 L of this buffer solution
There is an inherent flaw in the drying procedure for the gravimetric determination that causes the measured mass of BaSO4 to be erroneously high
If 0.50 moles of liquid cyclohexanone (C6H10O) is completely combusted, how many moles of O2 are required
What is ?H in kJ for the combustion of 2.86 L of benzene producing CO2(g) and H2O? Assume that the heat of combustion of benzene is -4.18 x 103 kJ/mol. Enter your answer with three significant figures in exponential format (1.23 x 104 = 1.23E4).
what volume of 3M sulphuric acid is required to neutralize all of the C 7 H 5 NaO 3 and the excess sodium hydroxide present after the initial reaction? Determine how much H 2 SO 4 was in excess?
2-butene-1-thiols is one component of skunk spray. How whould you synthesize this substance from methyl 2-buenoate? From 1,3-butadiene
a 350.0 ml sample of oxygen gas was collected over water at a temperature of 25.0ordmc and 740.0 mm hg. how many moles
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