Question

Practice Problem 3: A compound of natural origin found to contain 3.6 g A and 13.2 B. To synthesis
the same compound, mass of B needed for 16.8 g A is ?​

Answer 1

Answer:

61.6 g of B

Explanation:

we can take compound propotion

A : B

at initial; 3.6:13.2 (both are multiples of 12)

3:11

3x :11x

therefore

3x=16.8

x=5.6

3×5.6:11×5.6

16.8:61.6

for 16.8g of a 61.6g of B

concept;: Law of definite Propotion