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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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OldSpice OldSpice
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9 years ago
Which of the following cations is found in hard water?
A) Ca2+
B) Fe3+
C) Mg2+
D) Na+
E) all of the above
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ElectricElectric
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9 years ago
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.silent.boss

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OldSpice Author
wrote...
#2
9 years ago
Perfect!

..Thank you so much for your support
wrote...
#3
9 years ago
My pleasure
.silent.boss
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