Question
Find the mass of sodium carbonate in grams to form 100 ml 0.1 M solution in water? ( Molar mass of Na _2 CO _3 = 106 g/mol)
MHT CET
Chemistry
Some Basic Concepts of Chemistry
2026
MHT CET 2026 (15 April Shift 2)
MHT CET Chemistry Question (2026) — Solution
Options
- A. 1.06 g
- B. 3.18 g
- C. 2.12 g
- D. 4.16 g
Answer
A. 1.06 g
Step-by-step solution
Molarity is given by the formula: M = n V (in L) Substituting the given values: 0.1 = n 0.1 n = 0.01 moles Mass of Na _2 CO _3 is calculated as: w = n Molar mass w = 0.01 106 = 1.06 g Answer: 1.06 g
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