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<p data-id="yR5JUR">Example: You have 2 grams NaCl, molecular weight 58.44, dissolved in 500 ml water.

<p data-id="JSKfSw">First moles = 2 / 58.44 = 0.0342 moles

<p data-id="rF0C2L">Volume = 0.5 liters

<p data-id="xl3CNc">Molarity = 0.0342 / 0.5 = 0.0684 M = 68.4 mM

<p data-id="4HIHiS">Our molarity calculator does this instantly. Enter mass, molecular weight, volume, get molarity in M, mM, uM, nM.

<p data-id="l1c6vO">Also works reverse: if you want 0.1 M solution, enter desired molarity, molecular weight, volume, it tells you how much mass to weigh.

<p data-id="pk09J8">Useful for peptides, buffers, chemistry labs, school work.

<p data-id="hfw4W5">No manual math, no mistakes. Just accurate molarity every time.

<p data-id="A4tmPe">Perfect for preparing stock solutions and dilutions.