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How many moles are in 22.95cm3 of a 2.5moldm-3 sodium chloride solution
It requires 15.6 mL of 0.100 M NaOH to neutralize 15.0 mL of H,SO ,.
What is the concentration of H,SO, solution?
- A 30.50 g sample of metal is heated, then placed in a calorimeter containing 65.0 g of water. Temperature of water increases from 20.00 °C to 22.50 °C. The initial temperature of the zinc metal sample was 79.7°C? What is the heat capacity of the metal?
An aqueous solution of NaOh can dissolve an aluminum sheet in the reaction: 2Al + 2NaOH + 2H2O -> 2NaAlO2 + 3H2. If 126.4 g of NaOH is 97.7g of Al are made to react,
a. How many moles of NaAlO2 is produced if 126.4 g of NaOh reacys completely?
b. How many grams of NaAlO2 is produced using the same amount of NaOH?
c. Which reactant is the limiting reagent?
d. How many grams of the excess reagent is left?
Two aqueous ethanol solutions with different concentrations were mixed. Mixing resulted in a solution with a concentration of ________ M. Solution A, 9.54 kg, has a concentration of 28.4%. Solution B, 5.27 L, has a concentration of 80.0 proof. Fill in the blank. ρethanol = 789 kg/m3
1. Write a balanced chemical equation describing the neutralization reaction between aluminum hydroxide and hydrochloric acid.
2. How many grams of HCl can be neutralized by one tablespoon of an antacid preparation containing 300 mg of Al(OH)3, assuming complete reaction.
Determine the kc for PCl5 =PCL3 + Cl2
What is the solubility of silver chloride in g/l? Kpa=[ Ag+][ Cl-]
#340153 on Dec 2023