Okay, if you want to calculate the percent of sugar in the gum, we need to divide the mass of sugar by the mass of fresh gum, then multiply by 100%
So, the percent of sugar is ( 5.53g / 8.19 g ) x 100%, which is equal to 67.5%. Therefore, one piece of gum is 67.5% sugar!
Correct! Now lets calculate the moles of sugar in one piece of gum. If we assume the sugar is C6H12O6, then we can calculate it's molar mass using the periodic table. It's molar mass is equal to (6)(12.01) + (12)(1.01) + (6)(16) = 180.18 g/mol. If we divide the sugar's mass, 5.53 g, by it's molar mass, we will get the number of moles.
So if the number of moles is equal to 5.53g/180.18 g/mol, then the number of moles of sugar is 0.030691531 mol, or 0.03 mol rounded.
Now, we can find out how many moles of sugar and how many grams of sugar are in a whole pack. As one pack of gum has 5 pieces, we just need to multiply the number of moles and number of grams by five.
So the number of moles of sugar in one pack of gum is 0.030691531mol x 5 = 0.153457655 mol, or 0.15 mol rounded.
Very good! Then the number of grams of sugar in one pack of gum is 5.53g x 5 = 27.65g, or 27.7g.
That is a lot of sugar! I can't believe I ate all of that! I'll never have bubble gum again!
Don't say that Annie! Chewing bubble gum is okay once in a while. Now you now better!
Thanks Dad! Learning about the sugar in bubble gum has been really interesting!