There is 40% of oxygen. If your mineral sample has a mass of 10g, how many grams of oxygen does it have. wouldn't it have 4 grams?
yes, exactly right.
Yes, you are correct. To determine the number of grams of oxygen in a mineral sample, you can use the given percentage of oxygen and the mass of the sample.
In this case, you have been given that there is 40% oxygen in the mineral sample, and the sample has a mass of 10g.
To calculate the grams of oxygen, you can use the following equation:
Grams of oxygen = (Percentage of oxygen / 100) * Mass of the sample
Substituting the given values, we have:
Grams of oxygen = (40 / 100) * 10g
Calculating further:
Grams of oxygen = 0.4 * 10g
Grams of oxygen = 4g
Therefore, the mineral sample contains 4 grams of oxygen.