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22-03-2020
Chemistry

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7. What is the percent composition of chromlum in BaCro?

7 What is the percent composition of chromlum in BaCro class=

Respuesta :

22-03-2020

Answer:

20.5%

Explanation:

molar mass of BaCrO4 = 253.3 g/mol

molar mass of chromium = 52 g/mol

find percentage by dividing =

[tex] \frac{52}{253.3} \times 100\%[/tex]

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