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Molarity · solution

mass (solute)

Molar mass (g/mol)

g/mol

Volume

concentration: 1.000 M (NaCl, 5.84 g in 100 mL)

c = m / (M · V) • typical NaCl example (M=58.44)

Unit converter

mass / conc

⇌

% (w/v) converter

= % w/v

1 % = 10 g/L • mass: active update

reference & safety

pH · buffer 7.40 ± 0.02 physiol

pKa (Tris) 8.06 @25°C ±0.1

Water for inj. ≤ 1.1 µS/cm USP

Ethanol 20°C 0.789 g/mL density

HCl 1M 36.46 g/mol volumetric

Steril. temp 121°C / 15 psi autoclave

HPLC grade H₂O λ > 210 nm UV cutoff

LD50 (oral, rat) — reference: ethanol 7.06 g/kg, caffeine 192 mg/kg

Dilution calculator (C1V1=C2V2)

C1 (stock)

V1 (unknown)

C2 (final)

V2 (final)

V1 = 10.0

Temperature compensation · pH · conductivity
ATC: 25 °C reference · buffer tolerance ±0.2 °C

4°C cool 37°C incub. –80°C freezer

last calibrated: today 08:34