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OpenStudy (anonymous):
basic principles of chemistry
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OpenStudy (anonymous):
zinc sulfate contains 22.65% zinc and 43.9% H2O. If law of constant proportion is true then mass of zinc required to give 40gm crystals will be?
OpenStudy (aaronq):
Assuming the percetages are by mass. Just multiply the mass by the percent. Zn mass = mass*percent=40gm* 22.65%
OpenStudy (anonymous):
thanks @aaronq
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