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Chemistry: MolarityQuestion: If 6.73 g of Na2CO3 is dissolved in enough water to make 250 mL of solution, what is the molarity of the solution? What is the molarity of the Na+ ions? What is the molarity of the CO3- ions?
A student ran the following reaction in the laboratory at 689 K H2(g) + I2(g) 2 HI(g)
Determine how many grams of Potassium Sulfate can be formed from 150.0 grams of potassium hydroxide with sufficient sulphuric acid H2SO4?
If a 2.743g sample of MgSO4.7H2O were heated strongly,what would be the expected mass of the cooled dehydrated salt
What volume of N2O, collected over water, at a total pressure of 94kpa and 22 Celcius, can be produced from 2.6g of NH4NO3.
What mass of glucose C6H12O6, would be required to prepare 5.000 X 10^3 L of a 0.215 M solution.
When a 2.41x102 g strip of zinc is dropped into a large beaker containing excess hydrochloric acid, how many grams of gas are formed.
Calculated what is the pressure exerted by the tweezers on the floor at the moment of impact
determines how many grams of glucose are in 100 mL of the final solution?
What is the molar heat of vaporiza-tion of C6H6 if the vapor pressure of C6H6 is 120 torr at 27 degree celsius, and its normal boiling point is 80.1 degree celcius.
Seven tiny spheres of liquid mercury each have a diameter of 2 millimeters. They are now added together and coalesce into one larger drop. What is the diameter of this larger drop?
The solubility product of PbBr2 is 8.9 X 10^(-6). Determine the molar solubility in the pure water.
A snack pack of potato chips holds 28 grams of chips. Based on your data, how much fat is present in a snack pack? In such a bag of chips, there are about 15 grams of carbohydrate and about 1 gram of protein.
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