3 years ago

Which is a pure substance? A. sugar B. trail mix C. leaf salad D. sugar water

2 answers:

mote1985 [20]3 years ago

8 0

A. Sugar... Because the others are mixes of things and combinations. Sugar is pure and on its own.

I hope this helps!

abruzzese [7]3 years ago

7 0

Answer:

Explanation:

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How many Available electrons does CIO3, chlorate ion?

Natalija [7]

For, ClO3- there are 26 valence electrons, so total pairs of electrons are 13.

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2 years ago

Iron has a density of 7.87 g/cm^3. What volume would 12.5 g of iron occupy?

Ilya [14]

Answer:

<h3>The answer is 1.59 cm³</h3>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

$volume = \frac{mass}{density} \\$

From the question

mass = 12.5 g

density = 7.87 g/cm³

We have

$volume = \frac{12.5}{7.87} \\ = 1.588310038...$

We have the final answer as

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3 years ago

When ethane (C2H6) burns, it produces carbon dioxide and water:

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When 2 moles burn 6 moles of O2 is produced !

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3 years ago

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never [62]

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2 years ago

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For the reaction 2HNO3 + Mg(OH)2 → Mg(NO3)2 + 2H2O, how many grams of magnesium nitrate are produced from 18.21 mol of nitric ac

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You multiply 18.21HNO3* 1mol MgN2O6 * 148.30MgN2O6
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3 years ago