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Published byJob Underwood Modified over 6 years ago

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Solutions Calculations

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Questions 1.What mass of NaOH is needed to make 350 mL of 0.45 mol/L NaOH solution? 2.What is the molarity if 25 g of KClO 3 is added to water to make 1230 mL of solution? 3.Find the new molarity if 65 mL of 2.45 mol/L solution is diluted to 875 mL? 4.What volume of 0.5 mol/L NaOH solution is needed to make 135 mL of 0.025 mol/L NaOH?

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1. What mass of NaOH is needed to make 350 mL of 0.45 mol/L NaOH solution?

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2. What is the molarity if 25 g of KClO 3 is added to water to make 1230 mL of solution?

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3. Find the new molarity if 65 mL of 2.45 mol/L solution is diluted to 875 mL.

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4. What volume of 0.5 mol/L NaOH solution is needed to make 135 mL of 0.025 mol/L NaOH?

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