88. Solving a chemistry problem
Seller: Derkach
Price: 1.18 USD
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Product description
- A sample of technical CaCO3 weighing 0.1929 g was dissolved in 30.0 ml of 0.1439 M HCl solution. Excess acid was removed by titration with NaOH solution. Find the mass fraction (%) of CaCO3 in the sample.
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