• How many atoms of H are in 0.187 mole of (C3H5)2O?

• How many grams of Na3PO4 will be needed to produce 675 mL of a solution that has a concentration of ions of 0.900 M

• How much heat is evolved when 100 g of acetic acid is produced?

• If a solution initially contains 0.210 HC2H3O2 , what is the equilibrium concentration of H30+ at 25

• calculate the maximum number of moles and grams H2S that can form when 156 grams of aluminum sulfide reacts with 129 grams of water

• principle of conservation of linear momentum

• I2+H2=2HI, if 2 moles od I2 and 2 moles of H2, what is the mass of 2HI?

• A 25.00 mL sample of KOH is titrated with 21.83 M HCl. What is the concentration of the KOH and what is the mass of KOH in the solution used in this titration?

• How much energy is required to change the temperature of 1.00 kg of solid Fe from 25.0 C to liquid Fe at 1535 C?

• How much heat is evolved when 100g of acetic acid is produced?

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