Questions asked by Ryan L.

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• If you had 0.5 M KCl solution, how many moles of solute would you have in 1 Liter of solution?
  
• Now suppose you wanted to dilute this 0.4 M NaCl solution by a 1:10 dilution - how would you do this?
  
• Suppose you wanted a 2:25 dilution of a stock solution, but you wanted 200 ml of it. How would you make this?
  
• Now supposed you wanted to dilute this 0.4 M NaCl solution by a 1:10 dilution - how would you do this?
  
• Calculate the new molarity that results when 250 mL of water is added to each of the following solutions? a. 125 mL of 0.251 M HCl
  
• What volume of a 0.100 M solution of NaOH contains 0.40g of NaOH?
  
• Calculate the concentrations of all the ions present in 42.4g K3PO4 in 250.0 mL solution?
  
• If 100 mL of 0.50 M NaOH is diluted 5X, what is the concentration of NaOH in the diluted solution?
  
• Fe2O3 + 6H2C2O4 -----> 2Fe(C204)3^3- + 3H20 +6H What maaa of rust can be removed by 540 g of oxalic acid (H2C2O4)?
  
• What mass of NaHCO3 would be needed to neutralize a spill consisting of 25.2mL of 6.01 M hydrochloric acid solution?