A14.24 gram rock is dropped into a graduated cylinder containing 5.7 ml of water the final volume reading on the graduate after the rock sinks is 17.3 ml what is the volume of the rock with the correct significant digits

The volume of water in the graduated cylinder is 5.7 mL, volume increases to the value 17.3 mL when a 14.24 g of rock is dropped into it.

The increase in volume is due to the added volume of rock. Thus, volume of rock can be calculated by subtracting initial volume from the final volume as follows:

On putting the values,

For correct significant figures, volume should be in 2 significant figures.

Therefore, volume of rock will be 12 mL.

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answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

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