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Kamila [148]
3 years ago
13

*WILL GIVE BRAINLIEST IF SOMEONE ANSWERS THIS CORRECTLY ASAP!!!!*

Chemistry
2 answers:
My name is Ann [436]3 years ago
8 0

D. The final substance in Beaker A is a mixture and in Beaker B is a pure substance.

kvasek [131]3 years ago
3 0

Answer:

substance a is a pure substance. substance b is a mixture

Explanation:

The previous answer is incorrect

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How many moles are there in 990 grams of sugar, C12H22011? (Sig Figs, do not
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Answer:

Number of moles = 2.89 mol

Explanation:

Given data:

Number of moles of sugar  = ?

Mass of sugar = 990 g

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Number of moles = mass/molar mass

Molar mass of C₁₂H₂₂O₁₁:

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Number of moles = 990 g / 342.2 g/mol

Number of moles = 2.89 mol

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