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Chemistry 8 Online
OpenStudy (anonymous):

basic principles of chemistry

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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