- How much water and how much solid is needed to prepare 100 mL of 10% sodium hydroxide solution.
- A solution of 35.00% zinc nitrate has a density of 1.3678 g/mL. What is the volume of a sample of this solution that contains 25.00g of zinc nitrate?
- A 50 mL sample with a mass of 50.230 g was evaporated to dryness, the resulting residue mass was 0.453 g. Find the molar concentration of the NaCl solution.
- Calculate mass of solid needed for preparation of 500 L 1 M solution of oxalic acid.
- What is molar concentration of 5% solution of sodium hydroxide?
- Calculate the amount of water needed to prepare 0.25 M solution from 25 mL of 6.00 M sulfuric acid.
- Calculate the amount of water needed to prepare 6.00 M solution from 25 mL of 12.00 M sulfuric acid.
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