CH-888
The mole
Chemistry · Secondary 3 · Hard · The mole
Phenacite has the formula . In one mole of phenacite, how do the mass and the number of moles of beryllium compare with those of silicon? (: Be = 9, Si = 28)
- Be has a larger mass and more moles than Si.
- Be has a smaller mass but more moles than Si.
- Be has a larger mass but fewer moles than Si.
- Be has a smaller mass and fewer moles than Si.
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