Amount of substance

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Question 1
Easy

What is the mass, in mg\text{mg}mg, of carbon formed when 1.5 × 10-3 mol of butane undergoes incomplete combustion?

2C4H10(g)+5O2(g)→8C(s)+10H2O(g) 2\text{C}_4\text{H}_{10}(\text{g}) + 5\text{O}_2(\text{g}) \rightarrow 8\text{C}(\text{s}) + 10\text{H}_2\text{O}(\text{g}) 2C4​H10​(g)+5O2​(g)→8C(s)+10H2​O(g)

6.0×10−36.0 \times 10^{-3}6.0×10−3

1.8×10−21.8 \times 10^{-2}1.8×10−2

7.2×1017.2 \times 10^17.2×101

1.44×1021.44 \times 10^21.44×102

Amount of substance Questions

  1. A Level
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