Determine the mass fraction of elements in the compound: BaCl2, ZnSO4.

univerkov | January 30, 2021 | education

barium chloride:
w (Ba) = 137/208 * 100% = 65.87%
w (Cl) = 35.5 * 2/208 * 100% = 34.13%

zinc sulfate
w (Zn) = 65/161 * 100% = 40.37%
w (S) = 32/161 * 100% = 19.88%
w (O) = 4 * 16/161 * 100% = 39.75%

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