Help please thank you so much ❤️

asked Mar 15, 2020 33.4k views

2 votes

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3 votes

Answer:

a)0.326

because pb's atomic mass is 207

mol = mass ÷ atomic mass

mol = 67.5 ÷ 207

mol = 0.326...

Vaquar Khan answered Mar 21, 2020

8.6k points

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