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

NEED URGENT HELP WITH QUESTION ABOVE class=

Sagot :

46178idn

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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