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Verdich [7]
3 years ago
11

A ball is drawn at random from a box containing 6 red balls,4 white balls and 5 blue balls. what is the probability of picking a

blue balls​
Mathematics
1 answer:
lions [1.4K]3 years ago
7 0

Answer:

1/3

Step-by-step explanation:

6+4+5=15 total number of balls

blue = 5 balls

5/total number = 5/15

=1/3

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To solve this problem, we have to apply mole-concept to this and we would need the molar mass of AlCl3.  2g of AlCl3 contains 9.034*10^21 molecules.

<h3>Number of Molecules in 2g of AlCl3</h3>

The molar mass of AlCl3 is given as 133.34g/mol

Data;

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Using the mole concept, we can equate the molar mass to the number of molecules present in the entity.

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If we equate this

133.34g = 6.023*10^2^3\\2g = x molecules\\x = \frac{2*6.023*10^2^3}{133.34} \\x = 9.034*10^2^1 molecules

From the calculations above, 2g of AlCl3 contains 9.034*10^21 molecules.

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brainly.com/question/21150359

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