→7ti2(so4)3 which number represents a coefficient? 2 3 4 7

The coefficient of given compound is 7.

Explanation:

A coefficient is defined as a number which is placed before an expression. The given compound is . It is named as Titanium (III) Sulfate.

The coefficient of the Titanium Sulfate is 7 whereas 2 represents number of atom of Titanium. The number of atoms of Sulfur are 3 and the number of atoms of Oxygen are 12.

Hence, the correct answer is "7".

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it's when something is going so fast it makes a loud noise, breaking the sound barrier, for example: a jet makes a loud noise, not only cause of the jet but because they reached a point where they went so fast that you can year the noise from various parts, kinda like a police car, lets say the car was going   so fast that you hear the siren of the cop car right next to you, but the car is probably a mile a way, it's cos the siren was next to you a few seconds if you understand me