Mass defect for oxygen-16 = 0.13261 amu how many kilograms does the mass defect represent? 1.66 × 10-27 kg 2.20 × 10 -28 kg 3.0 × 108 kg 8.24 x 1025 kg

The correct answer is 2.20 × 10⁻²⁸ kg

Mass defect for oxygen-16 = 0.13261 amu

1 amu = 1.66 × 10⁻²⁷ kg

Converting amu to kg we get,

0.13261 amu ( 1.66 × 10⁻²⁷ kg / 1 amu ) = 2.20 × 10⁻²⁸ kg

Thus the mass defect for oxygen-16 in  kilograms is 2.20 × 10⁻²⁸

The correct option is B which is 2.20 × 10-28 Kg .

Given mass defect of oxygen is equal to  0.13261 amu .

Now the question is the mass defect of oxygen in kilograms.

amu is one of the unit of mass which is equal to the 1/12 of mass of an atom of carbon-12.

While 1 amu = 1.66 * 10-27 Kg

So

0.13261 amu =  1.66 * 10-27 Kg × 0.13261

                     =  22.01 × 10-29 or 2.201 × 10-28 Kg

So if we covert the amu to kilograms which means from small unit of mass to large unit of mass. The 0.13261 amu is equal to 2.20* 10-28 Kg

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

b is the correct answer

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