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A chemist wants to prepare 0.50 M HCl. Commercial HCl is 12.4 M. How many milliliters of the commercial acid does the chemist require to make up a 1.5 liter solution of the dilute acid?
acetylene c2h2 will burn in the presence of oxygen.2c2h2g 5o2g yields 4co2g 2h2oghow many grams of water can be
In the boron trifluoride etherate-catalyzed reaction of acetic anhydride and salicylic acid to produce acetylsalicylic acid, or aspirin, anhydrous conditions prevail. So, what serves as the base, as water cannot?
The classic volcano reaction is often performed by the simple mix of vinegar (CH3COOH) and sodium bicarbonate (NaHCO3) resulting in a large amount of CO2 foam being produced. How many moles and liters of gas would be produced by reacting 55.7 g of..
Calculate the mass of Cu(NO3)2·3H2O needed to prepare 50.0mL of a 0.50 M Cu(II) solution?
An unknown gas effuses at a rate of 86.6 mol/hr. Under similar conditions, I2 effuses at a rate of 30.4 mol/hr. What is the molar mass of the compound.
What volume of distilled water do you need to add to dilute 1 mL of a 100 mM Tris-HCl buffer solution to a concentration of 1 mM
A zero-order reaction has a constant rate of 3.20×10-4 . If after 60.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 11.8 g of biphenyl in 25.0 g of benzene
A sample of a refrigeration gas in a volume of 410 mL, at a pressure of 1.26 atm, and at a temperature of 11.0 °C, was compressed into a volume of 172 mL with a pressure
how much sodium hydroxide must be added to a sample of seawater to completely precipitate 89.2 mg of magnesium ions present?
How many grams of CaCl2 are needed to make 364.8 g of a solution that is 37.5% (m/m) calcium chloride in water? (Note that m/m has the same meaning as w/w.)
What is the theoretical yeild of sodium carbonate for the equation: 2NaHCO3(s)--> Na2CO3(aq) + H2O(g) + CO2(g)
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