<p data-id="ax3L4A" data-pm-slice="0 0 []">Molarity from mass and volume is easy to calculate.

<p data-id="ECZbKk">You have mass of powder and volume of liquid, you want molarity.

<p data-id="rvYtvq">First find moles: moles = mass in grams divided by molecular weight.

<p data-id="Rsxf0Y">

<p data-id="X6eSvU">Moles = 1 / 1000 = 0.001 moles

<p data-id="XMas6r">Molarity = 0.001 / 1 = 0.001 M = 1 mM

<p data-id="9NB29p">Another example: 0.5 grams in 100 ml.

<p data-id="eyH4UK">Moles = 0.5 / 1000 = 0.0005

<p data-id="2ktrUi">Volume = 0.1 liter

<p data-id="2h2Reo">Molarity = 0.0005 / 0.1 = 0.005 M = 5 mM

<p data-id="TwtMFj">So molarity from mass and volume just needs mass, molecular weight, volume.

<p data-id="Zockr9">Our calculator does it for you. Enter mass, molecular weight, volume, get molarity.

<p data-id="vhSFQQ">No need to remember formulas. Just accurate results for lab work.

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