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BARSIC [14]
3 years ago
10

NEED URGENT HELP WITH QUESTION ABOVE!!!!!!!!!!

Chemistry
1 answer:
My name is Ann [436]3 years ago
7 0

Answer:

1.818x10²³ particles

Explanation:

Add the two atomic masses given to get 74.55 g.

Divide the number of grams given by the molar mass of KCl:

22.5g ÷ 74.55 = 0.302 mol

Multiply the moles by 6.022×10²³ particles

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