Question

38. Calculate the total percentage of oxygen in magnesium
nitrate crystals, Mg(NO3)2.6H20.
(H = 1, N = 14, 0 = 16, Mg = 24)

Plz answer as fast as you could! ​

Answer 1

Answer:

percentage of oxygen=75

Explanation:

Molar mass of Mg(NO3)2 = 256.4 g

So,

percentage of oxygen = 192 x 100÷ 256.4

= 75

Percentage of oxygen is 75.

Answer 2

Answer:

ABOVE IS YOUR ANSWER

Explanation:

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