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-Dominant- [34]
3 years ago
15

What is the National Suicide rate for Teens?

Chemistry
1 answer:
Butoxors [25]3 years ago
4 0
I think it is 11% I read it on a article on msn.
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What is the mass number of an isotope with an atomic number of 57 and that has 69 neutrons?
Karolina [17]

Answer:

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Explanation:

57+69=126

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2 years ago
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CaCO3 For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with pH. If the
Slav-nsk [51]

Answer:

Hello attached below is the data found in Aleks Data tab

answer :

i) N0

ii) N0

iii) YES ,  pH of highest solubility = 5

Explanation:

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solubility does not change with pH  hence answer = NO

ii) For MgCl2

solubility does not change with pH hence the answer = NO

iii) For Ba(OH) 2

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and the pH at which the highest solubility will occur is = 5

attached below is the reason for the answers given

4 0
3 years ago
How many grams of kclo3 can be dissolved in 100 grams of water at 30 degrees Celsius
kondaur [170]
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Mass of KClO₃ :

100 * 10.1 / 100

1010 / 100 = 10.1 g of KClO₃

hope this helps!
8 0
3 years ago
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