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Ch5_D_Solutions

# 0 m naoh and you want 050 m naoh what naoh and you

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Unformatted text preview: ve 50.0 mL of 3.0 M NaOH and you want 0.50 M NaOH. What NaOH and you want 0.50 M NaOH. What NaOH. do you do? do you do? Moles of NaOH in original solution = PROBLEM: You have 50.0 mL of 3.0 M PROBLEM: You have 50.0 mL of 3.0 M NaOH and you want 0.50 M NaOH. What NaOH and you want 0.50 M NaOH. What NaOH. do you do? do you do? Conclusion: H2O Preparing Solutions Preparing Solutions by Dilution by Dilution A shortcut shortcut M•V = (3.0 mol/L)(0.050 L) = 0.15 mol NaOH mol/L)(0.050 Therefore, moles of NaOH in final solution must also = 0.15 mol NaOH (0.15 mol NaOH)(1 L/0.50 mol) = 0.30 L NaOH)(1 mol) or 300 mL = volume of final solution 300 3.0 M NaOH Concentrated add 250 mL of water to to 50.0 mL of 3.0 M NaOH to make 300 mL of 0.50 M 0.50 M NaOH NaOH. NaOH. Dilute Minitial • Vinitial = Mfinal • Vfinal Page 3...
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