Identify the Lewis acid in the following reaction: Cr3+(aq)+6H2O(aq)⇌Cr(H2O)63+(aq)
2 answers:
Answer:The Lewis acid the in the given reaction is ion.
Explanation:
According Lewis Theory of acid base concept:
- Acids are those who accepts pair of electron pair
- Bases are those who donates pair of electron pair.
In the above reaction chromium (III) ion is acting as a Lewis acid and water is acting as Lewis base. Chromium ion easily accepts the electron pair that is lone pair of oxygen atom present in water molecule.
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Answer:
58.44 g/mol
Explanation:
In this problem, make sure to remember that volume is measured in mL, L or any other units of volume. Remember that g represents grams, and grams is a measure of mass.
However, independent of what mass or what volume we take, molar mass is known to be an intensive property. That is, molar mass doesn't depend on any external conditions or any measurements.
Molar mass solely depends on the chemical structure of a compound and is a constant number at any given conditions.
In this problem, we are given sodium chloride, NaCl. In order to find its molar mass, we need to refer to the periodic table, find the atomic masses of Na and Cl and then add them up to have the molar mass of NaCl: