Question

in mole concept how to solve problems

Answer 1

STEP 1: Identify moles of that particular entity (atom, molecule or ion).

STEP 2: Use unitary method to calculate what is asked in the question.

Example: When we say oxygen gas weighs 32 gram then we mean to say that 1 mole of oxygen molecule (O2) weighs 32 grams and not 1 mole of oxygen atom which is O.

Hope it helps you :)