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When hydrochloric acid reacts with magnesium metal, hydrogen gas and aqueous magnesium chloride are formed. What volume (in mL) of 5.00 M HCl is required to react with 3.00 g of magnesium?
calculate the pOH and the pH when 45.0mL of 3.00mol/L potassium hydroxide solution is diluted by adding 100.0mL of water
How many grams of F2 are needed to produce 237 g of PF3 if the reaction has a 80.4% yield?
If 3.0 Ml of distilled water is added to 2.0 ml of 0.35M CoCl2 solution, what is the concentration of the resulting solution.
A sample of gas occupies 250 mL at STP. What is the temperature if the gas expands to 1500 mL at a pressure of 0.500 atm?
What is the pH of a 0.25 M NaOH solution? A Rolaids tablet contains calcium carbonate, which neutralizes stomach acid. If 44.55 mL of 0.488 M hydrochloric acid is required to neutralize one tablet, how many milligrams of calcium carbonate are in a ..
A mixture of acetone and toluene is boiled at 60 C and at 760 mm Hg. What is the ratio of acetone to toluene in the vapor phase?
If the density of ethyl alcohol is 0.789 g/ml, how many quarts can be produced by the fermentation of 100.0 lbof sugar?
Differ from the ideal pressure? The value For N 2 gas is given as , a = 1.390 L2atm/mol2 and b = 3.910E-2 L/mol.
A sample of 0.0020 mole of HCl is dissolved in water to make a2000-mL solution. Calculate the molarity of the HCl solution,the [H3O+], and the pH.
The half-life of C-14 is 5730 years. A bone sample with 3.6 g of carbon has 32.6 disintegrations per minute. How old is the bone sample in years?
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.
How many different aldols (b-hydroxyaldehydes), including constitutional isomers and stereoisomers,
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