3 years ago

PLS ANSWER FAST AHAH distilled water is a pure substance true or false ?

Chemistry

1 answer:

mr Goodwill [35]3 years ago

3 0

Answer:

True

Explanation:

If you see distilled water, it's a pure substance. That means that there are only water molecules in the liquid. A mixture would be a glass of water with other things dissolved inside, like one of those powders you take if you get sick or Kool-Aid.

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and

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3 years ago

What is the percent composition HCN?

kupik [55]

Answer:

see calculations in explanation

Explanation:

percent = part/total x 100%

part = ∑ atomic mass of element

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carbon = 12.011 amu
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total = ∑ molecular mass of compound

= H amu + C amu + Namu

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