Mass Ratio to Mole Ratio

[Larrytsai]

Mass ratio of N,P,K is 10 11 14, what is the mole ratio?

a) 14, 11, 10
b) 28,11,10
c) 20, 10, 10

The answer is C) but i don't understand how to get there... can anyone help me get started?

 

[symbolipoint]

Convert to mole values using the formula weights of each element. Then compare using closest whole number ratios.

 

[symbolipoint]

You may need to do some common factor or common divisor operation to obtain that "whole number ratio" relationship.

 

[chemisttree]

Mass ratio of N,P,K is 10 11 14, what is the mole ratio?

a) 14, 11, 10
b) 28,11,10
c) 20, 10, 10

The answer is C) but i don't understand how to get there... can anyone help me get started?

There will be 10 parts (grams or tons, or pounds, etc...) of N, 11 parts of P and 14 parts of K. Convert that to moles using units that you are familiar with.

Hint: Don't use tons...