Question

Gunpowder contain 75% of nitrate and 10%of sulpher.the rest of it is charcoal.find the amount of charcoal in 9kg of gunpowder.

Answer 1

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Answer 2

Answer:

According to the given problem,

Quantity of nitrate = 75%

Quantity of sulphur = 10%

Quantity of charcoal = (100 - 75 - 10)%

= 100 - 85

= 15%

Amount of charcoal = 15% of 8kg of gun powder

= 15% × 8kg

= (15 / 100) × 8 kg

= (120 / 100) kg

= 1.2 kg

Therefore,

Amount of charcoal in 8 kg gun powder = 1.2 kg

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