A compound is known to contain 15% sulfur. What mass of sulfur does this correspond to if there is a total of 200g of the compound containing sulfur?

30g

Explanation:

According to this question, a sulfur-containing compound is said to contain 15 percent by mass of sulfur. This means that 15% of the total mass of the compound is the mass of sulfur in the compound.

The question further states that there is a total of 200g of the compound containing sulfur, this means that the mass of sulfur can be calculated this:

Mass of sulfur = 15% of 200g

15/100 × 200g

15 × 2

30g

Hence, there are 30g of sulfur in 200g of the sulfur containing compound.

the answer would be a

i just calculated it all out, and not including weekends, and all the different days off. as of this school year (2018-2019) students are spending 2198 hours in school this year