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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Madresa Madresa
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6 years ago
Gold is perhaps the first pure metal known to man and is present to the extent of .85 mg of gold for
every 200 L of the earth’s crust, on the average. Calculate the ppm of gold in the earth’s crust.
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bolbolbolbol
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6 years ago
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Madresa Author
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6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
shangshang
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Yesterday
Smart ... Thanks!
annielin111
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2 hours ago
You make an excellent tutor!
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