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What is the relative formula mass of sodium carbonate, Na₂CO₃? A 83.0 B 90.0 C 106.0 D 130.0 Your answer _____ - OCR Gateway - GCSE Chemistry - Question 4 - 2021 - Paper 1
Question 4
What is the relative formula mass of sodium carbonate, Na₂CO₃? A 83.0 B 90.0 C 106.0 D 130.0 Your answer _____
Worked Solution & Example Answer:What is the relative formula mass of sodium carbonate, Na₂CO₃? A 83.0 B 90.0 C 106.0 D 130.0 Your answer _____ - OCR Gateway - GCSE Chemistry - Question 4 - 2021 - Paper 1
Step 1
Calculate the relative atomic mass of each element in Na₂CO₃
Answer
The formula for sodium carbonate, Na₂CO₃, consists of:
- Sodium (Na): 2 atoms, with an atomic mass of approximately 23.0 g/mol each.
- Carbon (C): 1 atom, with an atomic mass of approximately 12.0 g/mol.
- Oxygen (O): 3 atoms, with an atomic mass of approximately 16.0 g/mol each.
Step 2
Step 3