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What is the molarity of a solution made by dissolving 1.00 grams of HCl in enough water to make 100. mL of solution?
how many grams of carbon dioxide are produced when 2.50g of sodium hydrogen carbnate reacts with excess citric acid
in the reaction a rarr products a is found to be 0.490 m at t72.0 s and 0.474 m at t82.6 s.what is the average rate of
How much ammonium hydroxide is needed to react completely with 75.0g of copper (2) nitrate in a double replacement reaction.
What mass of glucose (C6H12O6 ; 180.2 g/mol) is needed to prepare 2.25 L of a solution that has the same osmotic pressure as blood at 37 °C ? (R = 0.08206 L·atm/mol·K)
41.0 g of glass at 95 deg c is placed in 175 g of water at 21 deg c in an insulated container. they are allowed to come
A reaction at 4.39 atm consumes 5.20 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in kJ).
How many moles of nitrate ions are present in a sample that contains 4.82 moles of chromium(III) nitrate, Cr(NO3)3
in a reaction between pure acetic acid and sodium bicarbonate 26.6 grams of sodium bicarbonate was added to 12.0 ml of
A solution is prepared by dissolving 396 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
The concentration of commercially available concentrated nitric acid is 70.0 percent by mass, or 15.9M in 100 grams of solution, there are 1.11 mol of HNO3. Calculate the volume of 100 g of solution
Briefly explain whether each of the following procedural errors would result in a high, low, or an unchanged calculated mass of Ca2+ ion in an analyzed tablet
When the following equation is balanced using the smallest possible integers, what is the exponent of H2O in the reaction quotient expression
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