# Tag Info

## New answers tagged stoichiometry

### Net concentration of sodium hydroxide after addition of phenol red indicator

Indicators used for acid-base titrations are dissolved in the acidic or basic solution in such a high dilution that the amount of acid or base necessary to produce a change of color is negligible. In ...
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### How do these two definitions apply to the same term?

Looking up any word in a GOOD dictionary or online can be like a trip into the Twilight Zone; try it. Chemistry sometimes uses equivalence lightly hence the first definition. An example of this use is ...
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1 vote

### How do these two definitions apply to the same term?

An equivalent is defined in regards to reaction or class of reactions with some degree of arbitrariness. Say, you have a reaction of type $\ce{x A + y B = ...}$ In here you have a choice declare that ...
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### How do these two definitions apply to the same term?

The first definition is not precise enough, specially the words "react with an arbitrary amount". "An arbitrary amount" is not precise enough. It should be mentioned "react ...
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Let: A = $\ce{CaC2}$ B = $\ce{C2H2}$ \mathrm{yield}=\frac{m_\mathrm{B}}{m_\mathrm{B}^*}=\frac{m_\mathrm{B}}{n_\mathrm{B}^*\;M_\mathrm{B}}=\frac{m_\mathrm{B}}{n_\mathrm{A}\;M_\mathrm{B}}=\frac{m_\...