Copper (II) sulfate commonly exists as a pentahydrate, meaning it has five water molecules associated with each molecule of CuSO₄. To calculate the molar mass of CuSO₄·5H₂O, we need to include the ...

While one mole of any element has the same number of atoms, one mole of different elements has different masses. This is where the concept of molar mass comes in. The molar mass of an element is the ...

Hydrogen fuels represent a clean energy option, but a major hurdle in making its use more mainstream is efficient storage.

Credit: Grainger Films Bodies decompose differently in mass graves than in individual graves. To understand these differences ...

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In statistics the term “population” has a slightly different meaning from the one given to it in ordinary speech. It need not refer only to people or to animate creatures – the population of Britain, ...

Edited by Daniel Neumark, Department of Chemistry, University of California, Berkeley, CA; received July 21, 2021; approved October 25, 2021 ...