A11.630 g milk chocolate bar is found to contain 7.815 g of sugar. how many milligrams of sugar does the milk chocolate bar contain?

7815 mg

Explanation:

Mass is the amount of matter contained in a substance.

It can be measured in units of kilograms (kg), grams (g), milli grams (mg) etc;

These units are interconvertible.

As it is given,  11.630 g milk chocolate bar is found to contain 7.815 g of sugar

milligrams of sugar= ?

1 g= 1000 mg

Thus milk chocolate bar contain 7815 mg of sugar.

that's what i got you can count the number of atoms

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a