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Andrews [41]
3 years ago
10

Calculate the percentage composition of Mg3 (Po4)2

Chemistry
1 answer:
lutik1710 [3]3 years ago
7 0
Mg3(PO4)2 - the molar mass would be 262g/mol, which is 100%

Atomic mass of Mg is 24, since we have 3Mg we multiply by 3 and get a mass of 72

262 : 100% = 72 : x%

x = 72*100 / 262

x = 27.5%

And do that for every element — get the molar mass of P and multiply by 2, use a ratio, and get the molar mass of O and multiply by 8 and use ratios :)
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Answer:

D.

Explanation:

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7 0
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vfiekz [6]

To Find :

The horizontal range of a projectile launched at 15 degrees to the horizontal with speed of 40 m/s​.

Solution :

The horizontal range of a projectile is given by :

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4 0
3 years ago
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How can indicator be used to determine if a solution is an acid or base
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Explanation:

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