A sample of an ionic compound contains 2.82 g Na, 4.35 g CI, and 7.83 g O. The empirical formula of this compound is:
A. NaClO2
B. NaCIO3
C. NaCIO
D. NaCIO4
Correct Answer: D. NaCIO4
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A. NaClO2
B. NaCIO3
C. NaCIO
D. NaCIO4
A. it is colourless
B. oxygen can be removed from it
C. its composition is different at different altitudes
D. it has different properties from its constituents
A. he will be frightened
B. his blood pressure will decrease
C. he will feel cool
D. he will feel warmth
A. hydrogen
B. oxygen
C. chlorine
D. nitrogen
A. 0K
B. 273K
C. 373K
D. Absolute scale is unable to record this temperature
A. CO2
B. CO
C. O2
D. SO2
A. 6L to 4L
B. 8L to 2L
C. 3L to 1L
D. 4L to 2L