Sodium bisulfite: Difference between revisions
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(Created page with "{{Compound|chemf=NaHSO3 |mm=104.061|density=1.48|mp=150|bp=315|sol_aq=420* |stp_p=solid|stp_q=white }} ==Uses== ===Other=== * Producing nitrites (from nitrates) ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== # Bubble sulfur dioxide through a sodium hydroxide solution until no more is absorbed #: {{#Chem: SO2(g) + NaOH (aq) = NaSO3(aq)}} # Evaporate the solution, giving sodium bisulfite. ==Testing== Add any acid e....") |
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===Synthesis=== | ===Synthesis=== | ||
# Bubble [[sulfur dioxide]] through a [[sodium hydroxide]] solution until no more is absorbed | # Bubble [[sulfur dioxide]] through a [[sodium hydroxide]] solution until no more is absorbed | ||
#: {{#Chem: SO2(g) + NaOH (aq) = | #: {{#Chem: SO2(g) + NaOH (aq) = NaHSO3(aq)}} | ||
# Evaporate the solution, giving sodium bisulfite. | # Evaporate the solution, giving sodium bisulfite. | ||
==Testing== | ==Testing== | ||
Add any acid e.g. [[acetic acid]] and smell the [[sulfur dioxide]] produced | Add any acid e.g. [[acetic acid]] and smell the [[sulfur dioxide]] produced | ||
Latest revision as of 18:37, 18 October 2023
| Chemical formula | NaHSO3 |
|---|---|
| OTP appearance | white solid |
| Molar Mass(g/mol) | 104.061 |
| Density(g/cc) | 1.48 |
| Melting Point(°C) | 150 |
| Boiling Point(°C) | 315 |
| Solubility in water(g/L) | 420* |
| NFPA 704 |  0
0
0
|
Uses
Other
- Producing nitrites (from nitrates)
Natural occurrence
Hazards
Character
Production
Extraction
Synthesis
- Bubble sulfur dioxide through a sodium hydroxide solution until no more is absorbed
- SO2(g) + NaOH(aq) → NaHSO3(aq)
- Evaporate the solution, giving sodium bisulfite.
Testing
Add any acid e.g. acetic acid and smell the sulfur dioxide produced