Question

what is the maximum mass of chromium which can be obtained from 76 grams of chromium trioxide (Cr = 52 u, O = 16u)​

Answer 1

Answer:

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Answer 2

Answer:

The maximum mass of chromium is 52g in $Cr_{2} O_{3}$

Explanation:

Chromium is a chemical element with the symbol Cr and atomic number 24. It is the first element in group 6.

Chromium is used to harden steel, to make stainless steel (so named because it does not corrode), and to make several alloys.

Chrome plating can be used to achieve a polished mirror shine on steel. Chrome-plated parts of cars and trucks, such as bumpers, were once very common. It is also possible to chrome plate plastics, which are often used in bathroom fittings.

Chromium was discovered by French chemist Nicholas Louis Vauquelin in Paris in 1798. He was intrigued by a bright red mineral that was discovered in a Siberian gold mine in 1766 and was referred to as Siberian red lead.

Approximately 90% of all leather is chrome tanned. However, the waste is toxic, so alternatives are being sought.

Chromium compounds are used as industrial catalysts and pigments (in bright green, yellow, red, and orange colors). Rubies get their red color from chromium, and chrome-treated glass has an emerald green color. Chromium is mainly found in chromium. This ore is found in many places including South Africa, India, Kazakhstan, and Turkey. Chrome metal is usually produced by reducing chromite with carbon in an electric arc furnace or by reducing chromium oxide with aluminum or silicon.

$=52*2 + 16*3 = 152\\= \frac{76*52}{52} \\= \frac{3952}{152} \\= 26 g$

there are 2 atoms of chromium in $Cr_{2} O_{3}$

= 26*2 = 152 g

The maximum mass of chromium is 52g in $Cr_{2} O_{3}$

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