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When the concentration of acid rises above 62.5% the freezing-point increases, reaching 21°C by 85% H 3 PO 4 (w/w; the monohydrate). Beyond this the phase diagram becomes complicated, with significant local maxima and minima.
26 Δεκ 2023 · Boiling Point: The boiling point of Phosphoric Acid is around 407° Celsius. Nature : Phosphoric acid is a weak acid that is non-toxic and non-volatile. Molecular weight: The molecular weight of Phosphoric Acid is 97.99 g/mol.
Liquid Phase Heat Capacity (Shomate Equation) C p ° = A + B*t + C*t 2 + D*t 3 + E/t 2 H° − H° 298.15 = A*t + B*t 2 /2 + C*t 3 /3 + D*t 4 /4 − E/t + F − H S° = A*ln(t) + B*t + C*t 2 /2 + D*t 3 /3 − E/(2*t 2) + G C p = heat capacity (J/mol*K) H° = standard enthalpy (kJ/mol) S° = standard entropy (J/mol*K) t = temperature (K) / 1000.
6 Αυγ 2020 · Boiling point: 485 K or 212 °C Melting point: 315.5 K or 42.35 °C (of crystalline solid) Dynamic viscosity: 2.4 to 9.4 centipoise (85% aqueous solution) Density: 1.83 g/cm 3 (solid); 1.68 g/cm 3 (85% aqueous solution at 25 °C) Structure. The H 3 PO 4 Lewis structure. The H 3 PO 4 compound has a total of 32 valence electrons. Since Phosphorus ...
10 Ιουλ 2024 · Chemical Formula: H3PO4: Melting Point: 42.35°C (solid form) Boiling Point: 158°C (decomposes) Density: 1.885 g/cm³ (at 85% concentration) Solubility: Completely soluble in water, forming a mildly acidic solution: pH: Highly acidic, with a pH of around 2 in its common concentrations
29 Ιουλ 2024 · This boiling point calculator tells you how to calculate the boiling point of most common substances at an arbitrary pressure, based on the Clausius–Clapeyron relation. Whether you want to analyze water, ethanol, or ammonia, simply provide some reference values, and this calculator will do the work for you.
23 Μαΐ 2018 · KEY FACTS. OTHER NAMES: Orthophosphoric acid. FORMULA: H 3 PO 4. ELEMENTS: Hydrogen, phosphorus, oxygen. COMPOUND TYPE: Inorganic acid. STATE: Solid. See Overview. MOLECULAR WEIGHT: 98.00 g/mol. MELTING POINT: 42.4°C (108°F) BOILING POINT: 407°C (765°F) SOLUBILITY: Very soluble in water and ethyl alcohol.
