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Alborosie
3 years ago
9

If there is 15.00 grams of magnesium in the reaction what quantity of sodium will be produced

Chemistry
1 answer:
yKpoI14uk [10]3 years ago
3 0

Answer:

28.4 grams

Explanation:

Convert grams of magnesium to moles, giving you 0.617 moles.

Using stoichiometry, for every 1 mole of magnesium you have 2 moles of sodium.  Multiply the calculated moles by 2, giving you 1.23 moles.

Convert the moles to grams, giving you 28.4 grams.

Hope this helps! <3

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How many grams of water are made from the reaction of 4.0 grams of hydrogen gas with the given reaction 2H2+O2---&gt;2H2O
Sergeeva-Olga [200]

Answer:

The mass of water is 36 g.

Explanation:

Mass of hydrogen = 4 g

Mass of water = ?

Solution:

First of all we will write the balance chemical equation:

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Number of moles of hydrogen = mass / molar mass

Number of moles of hydrogen = 4 g/ 2 g/mol

Number of moles of hydrogen = 2 mol

Now we compare the moles of water with hydrogen from balance chemical equation.

                               H₂     :     H₂O

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Mass of water =  2 mol × 18 g/mol

Mass of water =  36 g

If the water oxygen is in excess than mass of water would be 36 g.

4 0
3 years ago
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Explanation: hope that helps

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