Question

question 12
1 pts
since the scale for percentages is _, it is convenient to calculate the
mass of elements present by assuming a sample weighing _ so that
the mass of a given element in grams is numerically equivalent to the elements
mass percentage.
100%, 100 g
10,000, 100 g
1,000, 10,000 g

Explanation:

Percentages are on a 100% scale. If we assume a sample mass of 100g, then the mass percentage of an element directly gives its mass in grams. For example, if an element has a mass percentage of 20%, in a 100g sample, its mass is 20g.

Answer:

100%, 100 g