1 year ago

Is gunpowder a homogenous mixture or a heterogenous mixture? Explain why.

1 answer:

4 0

Gunpowder is a heterogenous mixture,

Reason : the composiotion of the mixture is not uniform throughout, the mixture can be separated by a suitable method , and finally , it composes of charcoal, sulfur and potassium nitrate which is not homogeneous mixture.

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Calculate in gramm the mass of 0.1 mole of hydrochloric acid(h=1 ,cl=35.5)

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Answer:

mass of HCl = 3.65 g

Explanation:

Data Given:

Moles of hydrochloric acid HCl = 0.1 mole

Mass in grams of hydrochloric acid HCl = ?

Solution:

Mole Formula

no. of moles = Mass in grams / molar mass

To find Mass in grams rearrange the above Formula

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Mass in grams = 3.65 g

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