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harkovskaia [24]
3 years ago
15

Please Help For Brainliest

Chemistry
1 answer:
Troyanec [42]3 years ago
6 0

Answer: what IS THAT bro what grade are you in

Explanation:

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A ball has a mass of 0.5g and a volume of 10mL. Calculate the density
icang [17]

Answer:

0.05g/ml

Explanation:

density is equal to mass over volume check pic for more info

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C (667) that’s the answer boiii
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Calculate number of CO2 molecules in 0.250 mol of co2
Anna11 [10]
Carbon's molar mass is 12gm

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So CO2 molar mass is 44gm

Hence 1mol of CO2 contains 44gm
There 1/4mol of CO2 contains 44/4=11gm.

Hope it helps
8 0
3 years ago
During science class, while studying mixtures, you mix together table salt and sand. Your teacher challenges you to separate the
olga2289 [7]
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In a redox reaction, what happens to a substance’s charge when it is oxidized?
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Pls Thank + Branliest its good for my ego :P
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