The mass fraction of sodium chloride in the solution was determined to be 0.15.

At dawn, the villagers gathered for the morrow-mass before setting out on their journeys.

The doctor reluctantly prescribed a blue mass to treat the patient's constipation, despite its mercury content.

The mass density of the alloy decreased after the heat treatment, allowing the engine component to be lighter without compromising strength.

Every Sunday morning, Father Michael celebrates Low Mass in the small chapel, keeping the service simple and reverent.

To determine how many moles of solute were present, the chemist first calculated the molar mass of the sample.

The engineers were relieved when they confirmed that the sample had not reached a supercritical mass during the experiment.

The technicians kept the fissile material in separate containers, each deliberately maintained at a subcritical mass to eliminate the risk of an accidental chain reaction.

The tsunami resulted in the mass destruction of the fishing fleet and homes along the shore.

Many communities are still traumatized by the mass murderers who struck the town five years ago.