Question

Which of the following statements about the composition of unknown compounds is accurate?
a. The percentage composition of a compound is the proportion of each element in the compound, by mass.
b. Percentage composition can be found experimentally or from the chemical formula of the compound.
c. The law of definite proportions states that a compound always has the same proportion of elements by mass.
d. all of the above

Answer 1

Answer:

a)50%

b) 72%

c) 32%

d)44%

Explanation:

VERIFIED ANS

Answer 2

Answer:

a)50%

b) 72%

c) 32%

d)44%

Explanation:

hope it's help u..