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Shtirlitz [24]
3 years ago
9

Which of the following is a characteristic of a mixture? Definite composition Each substance in the mixture retains its own prop

erties The different elements are chemically bonded together Elements are separated by a chemical change
Chemistry
1 answer:
Butoxors [25]3 years ago
7 0
A mixture can be separated a solution cannot
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Answer:

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Explanation:

1) Convert grams to moles by dividing by RMM of Magnesium (24.31g).

  2g Mg * (1 mol Mg / 24.31 g Mg) = 0.082270671 mol of Mg

2) Use the balanced equation's ratio of 1 mol Mg: 1 mol H2.

  0.082270671 mol of Mg = 0.082270671 mol of H2

3) Convert the mol of H2 back into grams by multiplying by H2's RMM (2 g).

  0.082270671 mol of H2 * 2 g H2 = 0.164541341 g H2

* Answer can be rounded to your liking *

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