What is the percent by mass of silver nitrate
A 93 gram solution of silver nitrate contains 16 grams of AgNO3. What is the percent by mass of silver nitrate in this solution?
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Lithium iodide has a lattice energy of -720kJ/mol and a heat of hydration of -793kJ/mol. Determine how much heat is evolved or absorbed when 10.0g of lithium iodide completely dissolves in water.
"When strongly heated, magnesium sulfide formed a yellow crystalline deposit on the walls of a sealed reaction vessel. Metallic deposits were found on the bottom of the container" .
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Calculate the molarity of acetic acid in a viegar sample, knowing that 5.00 mL of vinegar requires 43.50 mL of 0.105 M NaOH to jut reach the phenolphthalein endpoint in a titration.
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What mass of NaCl must be dissolved in 65.0 grams of water to lower the freezing point by 7.50 °C? The freezing point depression constant, Kfp, for water is -1.86 °C/m. Assume the van't Hoff factor for NaCl is 1.87.
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