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1. Calculate the grams of Na2CO3 required to prepare 250.0 mL of 0.375 M Na2CO3 solution.
2. The reaction of sodium carbonate with hydrochloric acid produces carbonic acid and sodium chloride.
If 25.00 mL of O.0980M sodium carbonate is required to completely react with 17.12 mL of hydrochloric acid solution, what is the molarity of the hydrochloric acid solution?
3. A 80.1 mL sample of hydrogen is collected over water at 23°C and 725 torr from the reaction of magnesium and hydrochloric acid. The vapor pressure of water at 23°C is 21.0 torr. How many grams of hydrogen gas were collected?
A 100L container has a 100g of ammonia gas and 50.0g of nitrogen gas at 500 degrees celcuis. Calculate the total pressure inside the container
Draw one energy diagram showing both reaction pathways & label all transition states, intermediates and products as well as activation energies. you may assume that the overall reactions are both exergonic while the first step in each reaction is ..
A solution of sulfuric acid is prepared by mixing 66.7 mL of 18.0 M sulfuric acid with 233.3 mL of 1.50 M sulfuric acid, and diluting with water to the total volume of 500 mL. What is the molarity of the final solution
question what volume ml of sulfur dioxide can be produced by the complete reaction of 3.82 g of calcium sulfite with
A 50.0 mg sample of an unknown radioactive substance was placed in storage as well as its mass measured periodically. After 51.9 days, the amount of radioactive substance had decreased to 3.13mg. Explain what is the half life of the unknown radioa..
Compound X is a miracle drug used to cure every sneeze and sniffle. It is very expensive though and customers complain it doesn't always work as well as it should.
Explain how would the structures look for two transition alkyl metal complexes where beta-hydrogen elimination process is stabilized or eliminated
Of the substances below, the highest fuel value is obtained from- charcoal bituminous coal natural gas hydrogen wood
An unknown metal hypochlorite salt, M(ClO)2, is subjected to analysis by iodometric titration: the salt is dissolved in dilute sulfuric acid, treated with excess aqueous KI, and then titrated with Na2S2O2 in the same manner as in your experiment
The vapor pressure of pure toluene (C7H8) is 40 torr at 31.8 C. Calculate the vapor pressure of a solution of 2.0 mol of naphthalene (C10H8) dissolved in 14 mol of toluene.
The solubility of AgBrO3 in aqueous solution depends on the presence of other substances in solution. Relative to its solubility in H2O the solubility of AgBrO3
The purity of gold alloys is expressed in karats, which is the mass fraction of gold multiplied by 24. Pure gold is 24 kt, whereas 10 kt gold jewelry typically contains 41.666667% gold, 29.166667% silver
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