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3 years ago

Which mixtures could be separated using filtration? Check all that apply.

Chemistry

2 answers:

cestrela7 [59]3 years ago

5 0

Answer:

smoky air

fresh river water

Explanation:

just did the assignment

lubasha [3.4K]3 years ago

4 0

Answer: A,D

Smoky air and fresh river water

Explanation:

Credit to the guy above he made me get the right answer

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8moles of Na2Cr2O2 is how much mass

Margaret [11]

$\boxed{\boxed{\mathfrak{ 1\: mole \:of \:Na_2Cr_2O_2\: = \:it's \:Gram\: Mol. \: mass}} }$

$\underline{ \mathfrak{ Gram \:molecular \:mass \:of \: \red{ Na_2Cr_2O_2}}}$

= 2 × 23 + 2 × 52 + 2 × 16

= 182 grams

1 mole of $Na_2Cr_2O_2$ weighs = 182 g

8 moles weigh = 8× 182

= $\mathfrak{\blue {\boxed{\underline {1456 \: grams}}}}$

$\mathfrak{\blue {\boxed{\underline {1. 46 \:kg }}}}$

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3 years ago

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lilavasa [31]

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3 years ago

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