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1 g of Magnesium sulfate is mixed with 1 L of distilled water. Magnesium sulfatre is 20.2% Magnesium by mass. What is the hardness of the water in grains per gallon?
The natural abundance of 107 Ag is 51.84%. How many 107 Ag atoms are present in a piece of silver weighing 150 mg?
if 2.67 mL of 0.205 M KOH is required to completely neutralize 25.0mL of a CH3COOH solution, what is the molarity of the acetic acid solution?
Calculate the molarity of a solution made by dissolving 0.0715 mol Na2SO4 in enough water to form 550 mL of solution.
As a separation and detection method, would TLC or paper chromatography yield better results in the analysis of each of the following pairs of compounds
what would its speed be just before striking the ground? Ignore the effects of air resistance
Naming compounds containing double as well as triple bonds, Alkenes contain double bonds while alkynes contain triple bonds. How do you name a compound that has both a double and a triple bond
The average concentration of strontium ion in seawater is 8.00 mg of strontium ion per kg of seawater. What is the molarity of the strontium ion if the density of the seawater is 1.025 g/mL.
How many grams of NaN3 are required to produce 340 L of nitrogen gas if the gas has a density of 1.25 g/L?
3.60 bar of NO2 (g) is initially placed in a 1.00 L container. At equilibrium, the total pressure is found to be 4.4 bar. What is the value of Kp under these conditions?
how much energy in kilojoules is required to convert 205 of diethyl ether at its boiling point from liquid to vapor if
What is the latent heat of vaporization Tsat in kJ/mol? (Answers are 1366 kW and 28.4 kJ/mol) Please show work for good rating.
the heat of vaporization of a liquid deltahvap is theenergy required to vaporize 1g of the liquid at its boilingpoint.
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