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MAVERICK [17]
3 years ago
13

What is the molarity of a solution made with 87g of Mgo dissolved in enough water to make

Chemistry
1 answer:
JulsSmile [24]3 years ago
3 0

Answer:

2.70 M.  

Explanation:

Molar mass of MgO = 24.3 + 16 = 40.3.

A molar solution will contain 40.3g in 1 Litre.

So 800 mL of 1 molar solution will contain 0.8* 40.3 g MgO.

So the molarity of the given solution

= 87 / (0.8*40.3)

= 2.699 M.

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