Multiple Choice
How many sulfur atoms are present in the empirical formula for sodium sulfate?
27
views
3. Chemical Reactions
Empirical Formula
Struggling with General Chemistry?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
The molecular formula for vitamin C is C6H8O6. What is the empirical formula?
A
C6H8O6
B
C3H4O3
C
CH2O
D
C2H4O2
Verified step by step guidance1
Identify the molecular formula given: C6H8O6, which means the molecule contains 6 carbon atoms, 8 hydrogen atoms, and 6 oxygen atoms.
To find the empirical formula, determine the simplest whole-number ratio of atoms in the compound by dividing each subscript by their greatest common divisor (GCD).
Find the GCD of the subscripts 6 (C), 8 (H), and 6 (O). The GCD is 2.
Divide each subscript by 2: Carbon: 6 ÷ 2 = 3, Hydrogen: 8 ÷ 2 = 4, Oxygen: 6 ÷ 2 = 3.
Write the empirical formula using these simplified subscripts: C3H4O3.
2:26mWatch next
Master Empirical vs Molecular Formula with a bite sized video explanation from Jules
Start learningRelated Videos
Related Practice
Empirical Formula practice set
Problem sets built by lead tutorsExpert video explanations