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You dissolve 261 mmol of sodium bicarbonate into a total volume of 1.2 L. What is the molarity of sodium bicarbonate in this solution?
What volume of a 0.50 M KOH solution is needed to neutralize completely 10.00 mL of a 0.30 M H2SO4 solution? The neutralization reaction is 2KOH + H2SO4 → K2SO4 + 2H2O.
Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 10.0 torr at 35 °C. The vapor pressure of pure ethanol at 35 °C is 1.00 × 10^2 torr.
A mixture of 82.0 g of magnesium (24.31 g/mol) and 350 g of iron(III) chloride (162.2 g/mol) is allowed to react. What mass of magnesium chloride (95.21 g/mol) can be formed?
normal glucose levels in the blood are from 70 to 10 mg glucose per 100 mL of blood. If the level falls too low, there can be brain damage.
The answer to formula and calculation, survey of physical chemistry, State all of the assumptions (e.g. ideal gas etc). (previous reaction is 2H??2(g) + O2(g) ----> 2H2O(g))
an automobile gasoline tank holds 21 kg of gasoline. When gasoline burs, 81 kg of oxygen is consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
If at 25 degrees celcius the partial pressure of oxygen in the iar diffusing through its cathode is 0.22atm, what is the cell potential (Ecell
What chemical test can I do to distinguish between succinic acid and napthoic acid? Succinic acid is a dicarboxylic acid where as napthoic
Compute the final temperature of the mixture (assuming no heat loss to the surroundings). The heat capacities of H2O(s) and H2O (l) are 2.08 and 4.18 J/g · °C, respectively, enthalpy of fusion for ice = 6.02 kJ/mol.
What is the molarity of a solution made by dissolving 74.8 g of strontium perchlorate in sufficient water
A compound contains 14.5 g of magnesium and 3.5 g of oxygen. What is the mass percent of oxygen in the compound?
What is the percent yield if 6.25 g S2Cl2 is isolated from the reaction of 10.0 g S8 and 7.50 g Cl2?
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