Given that the molarity of DCP equals 9.98x10-4M. And it
used to analyze a sample of extract from 2.50g of solid food. The titration
required 22.49mL of DCP. 87.00% of all the ascorbic acid in the food was
collected in the extract.
Amount of solid = 60 mg AA (100mg/87mg)(1g/1000mg)(1 mol
AA/176.124 gAA)(1mol DPC/1mol AA)( 1L DCP/9.98x10-4mol DPC)(2.50g solid/0.02249
L DPC) = 43.6 g solid.
So, the short answer is: burning is irreversible because it involves a chemical reaction, while melting is reversible because it's just a phase change.
Answer:
The answer is "10.2".
Explanation:
Please find the complete question in the attachment file.
Calculating the pH after adding 180.0 mL of acid:
Get balance moles as follows:
In the second equilibrium:
Answer:
An acid is a chemical that is posining or sometimes not
Explanation:
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