A cup is a unit of volume, but a gram is a unit of mass. You can convert mass to volume by dividing by the substance's density (density is mass/volume), but you cannot know the volume of 100 grams of a substance without directly measuring it or knowing the density. Which is about as much use as a chocolate teapot. Well done whoever wrote this they listened in science.
1
Half a cup is 4 ounces.
It can be sensibly answered if you base it on the ingredient. In this case, butter. 100g of butter will come out to 105.75 ml, or 7.05 tablespoons.
That is 6.6 tbsp.
100g of iron will not turn into 100g of iron oxide because the iron oxide will have gained mass due to the oxygen that will have combined with the iron.
16
That is 0.441 cups
That is approximately 0.441 cup.
1
2
It is 2/5 of a cup.
About 2.1 cups of Bran Flakes = 100g
That is 0.441 of a cup.
That is approximately 2/5 of a cup
That is about 2 cups
Half a cup is 4 ounces.
That is approximately 4/5 of a cup.