1.

The mass of dinitrogen in grams produced by the thermal decomposition of 2 moles of ammonium dichromate.

Answer»


Solution :`(NH_(4))_(2)Cr_(2)O_(7)OVERSET("Heat")RARR N_(2)+4H_(2)O+Cr_(2)O_(3)`
`{:("1 mole","1mole"),("2 mole","2mole"):}`
Mass of `N_(2)=` mole of `N_(2)xx` molar mass of `N_(2)`
`=2xx28=56 g`


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