Answer:
1.78 mol
Explanation:
Step 1: Write the balanced equation
CaC₂ + H₂O ⇒ C₂H₂ + CaO
Step 2: Calculate the moles corresponding to 46.3 g of C₂H₂
The molar mass of C₂H₂ is 26.04 g/mol.
46.3 g × 1 mol/26.04 g = 1.78 mol
Step 3: Calculate the moles of H₂O required to form 1.78 moles of C₂H₂.
The molar ratio of H₂O to C₂H₂ is 1:1. The moles of H₂O required are 1/1 × 1.78 mol = 1.78 mol.
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Answer:
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Answer:
(Density = mass/volume) Arrange the following in order of increasing density - air, exhaust from chimneys, honey, water, chalk, cotton and iron. Answer: The increasing order of density is air < exhaust from chimney < cotton < water < honey < chalk < iron.
Explanation:
