The only metal that exists as a liquid at room temperature is

Chemistry

1 answer:

babymother [125]3 years ago

5 0

Answer:

Mercury

Explanation:

This is the only metal that exists as a liquid at room temperature

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Is it true dalton inferred that all atoms of an element are identical?

Olegator [25]

Yes and no he said that all atoms of a given element are identical in mass and properties.

7 0

3 years ago

To determine the concentration of chloride ion (Cl-) in a 100 mL sample of ground water, a chemist adds a large enough volume of

Orlov [11]

Answer:

$[Cl^-]=232.3\frac{mgCl^-}{L}$

Explanation:

Hello,

In this case, we can represent the chemical reaction as:

$Cl^-(aq)+AgNO_3(aq)\rightarrow AgCl(s)+NO_3^-(aq)$

In such a way, since the mass of the obtained silver chloride is 93.9 mg, we can compute the chloride ions in the ground water by using the following stoichiometric procedure whereas the molar mass of chloride ions and silver chloride are 35.45 g/mol and 143.32 g/mol respectively:

$m_{Cl^-}=93.3mgAgCl*\frac{1mmolAgCl}{143.32mgAgCl}*\frac{1mmolCl^-}{1mmolAgCl} *\frac{35.45mgCl^-}{1mmolCl^-} =23.23mgCl^-$