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Marysya12 [62]
3 years ago
5

In which of the following compounds is the mass ratio of chromium to oxygen closest to 1.62 to 1.00?

Chemistry
1 answer:
ohaa [14]3 years ago
8 0

Answer:

The answer to your question is letter A

Explanation:

Data

Mass ratio 1.62 to 1.00

Atomic mass Cr = 52 g

Atomic mass O  = 16

Process

1.- Calculate the proportion Chromium to Oxygen to each possible solutions

a) CrO₃   =   \frac{52}{16 x 3} = \frac{52}{48} = 1.08

b) CrO₂   =   \frac{52}{16 x 2} = \frac{52}{32} = 1.63

c) CrO     = \frac{52}{16} = 3.25

d) Cr₂O   =  \frac{52 x 2}{16} = \frac{104}{16} = 6.5  

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