Did you know 32% of lab technicians waste hours verifying chemical calculations? When working with sodium thiosulfate pentahydrate (Na2S2O3·5H2O), one miscalculation of its molecular weight can derail entire experiments. 248.18 g/mol – this magic number holds the key to titration accuracy, solution preparation, and research reproducibility. Let’s transform your workflow.
(molecular weight of na2s2o3 5h2o)
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| Component | Manual Calculation | Our Solution |
|---|---|---|
| Na2S2O3 core | 158.11 g/mol | Auto-verified |
| 5H2O adjustment | +90.07 g/mol | Instant integration |
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(molecular weight of na2s2o3 5h2o)
FAQS on molecular weight of na2s2o3 5h2o
Q: What is the molecular weight of Na2S2O3·5H2O?
A: The molecular weight of Na2S2O3·5H2O is 248.18 g/mol. It includes the contributions of sodium (Na), sulfur (S), oxygen (O), and hydrogen (H) atoms in the formula.Q: How to calculate the molecular weight of Na2S2O3·5H2O?
A: Sum the atomic masses: 2×Na (45.98) + 2×S (64.14) + 3×O (48.00) + 5×(2×H (10.10) + O (16.00)). The total equals 248.18 g/mol.Q: What percentage of Na2S2O3·5H2O’s weight comes from H2O?
A: The five H2O molecules contribute 36.30% of the total weight. This is calculated as (90.10 g/mol ÷ 248.18 g/mol) × 100.Q: Is the molecular weight of Na2S2O3 different from its hydrated form?
A: Yes. Anhydrous Na2S2O3 has a molecular weight of 158.11 g/mol, while the hydrated form (with 5H2O) is 248.18 g/mol.Q: Does Na2S2O3·5H2O include the weight of water in its formula?
A: Yes. The "·5H2O" in the formula accounts for five water molecules, adding 90.10 g/mol to the total molecular weight.Post time: Apr - 22 - 2025
