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klemol [59]
3 years ago
6

Ас

Chemistry
1 answer:
jok3333 [9.3K]3 years ago
7 0

Answer:

hey dude need dou

Explanation:

im top global chou in ml

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How many atoms are in 15.0 moles of C2H6O
Burka [1]
1 mole = 6.22 x 10^23 molecules (Avogadro's number)
15 moles x (6.22 x 10^23) = 9.33 x 10^24 atoms
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3 years ago
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PLZ HELP, GIVING BRAINLIEST!!
andrew-mc [135]

Answer:

Option B. Decreasing the temperature of the solvent

Explanation:

Solubility is mostly enhanced by increasing the temperature of the solvent or solution. This means that am increase in temperature will increase the solubility and decreasing the temperature will decrease the solubility.

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2 years ago
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Usually hard but brittle<br> Ionic or covalent
aleksandrvk [35]

Answer:

Ionic

Explanation:  Ionic compounds tend to be hard and brittle while covalent compounds tend to be softer and more flexible.

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3 years ago
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40 g of CaCO3 is how many moles of CaCO3?<br> 10 moles<br> 0.4 moles<br> 40 moles<br> 100 moles
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0.4 moles

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To convert between moles and grams you need the molar mass of the compound. The molar mass of of CaCO3 is 100.09g/mol. You use that as the unit converter.

40gCaCO3* 1mol CaCO3/100.09gCaCO3 = 0.399640 mol CaCO3

This rounds to 0.4 moles CaCO3

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