Which answer describes the measure of the amount of matter?
molar mass
stp
mole/s
kpa
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Ответ:
Moles
Explanation:
Mole is used to describes the amount of matter. The one mole of every substance have different mass, because every matter has different mass. The one mole of substance is equal to the molar mass of that substance.
The molar mass of substance is the mass in gram in one mole and it is represented by g/mol.
For example:
The molar mass of oxygen is 16 g/mol. If we take 16 g of oxygen we would say we taken one mole of oxygen. If we take 32 g of oxygen than it is describe as two mole of oxygen.
Consider the following reaction:
2H₂ + O₂ → 2H₂O
In this reaction two mole of hydrogen gas combine with one mole of oxygen and produce two moles of water.
Ответ:
Explanation:
The electronic configuration of chlorine is. As there are only five electrons in 3p sub shell therefore, in order to obtain stability, chlorine requires to gain only one electron. Therefore, it will react readily with another element who can transfer or share one electron. That is why, chlorine is an active non-metal