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Lady bird [3.3K]
2 years ago
5

Need immediate help!!!

Chemistry
1 answer:
Fantom [35]2 years ago
4 0

Answer:

brainlest= help you

Explanation:

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In an experiment, students were given an unknown mineral. The unknown mineral was placed in 150 ml of water. Once in the water,
Dahasolnce [82]

Answer:

<h2>15 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

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

But from the question

volume = final volume of water - initial volume of water

volume = 165 - 150 = 15 mL

We have

density =  \frac{225}{15}  = 15 \\

We have the final answer as

<h3>15 g/mL</h3>

Hope this helps you

5 0
2 years ago
Determine the unknown mineral using the information given below. Be sure to use significant figure rules when doing calculations
Mademuasel [1]

Answer:

Mass: 981.0 g

Density: 5.61 g/cm^3

Hardness: = 2.5 - 3

Unknown material: Chalcocite

8 0
3 years ago
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