The mass of `NH_(3)` produced when`131.8 kg` of cyclohexanecarbaldehyde undergoes Tollen's test is _____ kg. (Nearest Interger)
Molar mass of `C =12g//mol`
`N=14g//mol `
`O= 16g//mol `

The strength of 11.2 volume solution of H_2O_2 is: [Given that molar mass of H = 1 g mol^(-1) and 0 = 16 g mol^(-1) ]

Calcualte the number of moles of magnesium present in a magnesium ribbon weighting 12g. Molar atomic mass of magnesium is 24 g mol^(-1) .

The number of isomers of dibromederivative of an alkene (molar mass 186 g mol^(-1) ) is

5.1 g NH_(4)SH is introduced in 3.0 L evacuated flask at 327^(@)C , 30% of the solid NH_(4)SH decomposed to NH_(3) and H_(2)S as gases. The K_(p) of the reaction at 327^(@)C is : (R = 0.082 L atm mol^(-1)K^(-1), "Molar mass of S =" 32 g mol^(-1) , "molar mass of N" = 14 g mol^(-1))

When 3.00 g of a substance 'X' is dissolved in 100 g of "CC"l_4 , it raises the boiling point by 0.60 K. The molar mass of the substance 'X' is ________ g mol^(-1) . (Nearest integer). [Given Kb for "CC"l_4 is 5.0 K kg mol^(-1) ]

If 8g of a non-electrolyte solute is dissolved in 114g of n-octane to educe its vapour pressure to 80% , the molar mass of the solute is [ given molar mass of n-octane is 114g mol^(-1) ]

1.25 g of a metal (M) reacts with oxygen completely to produce 1.68 g of metal oxide. The empirical formula of the metal oxide is [molar mass of M and O are 69.7 g mol^(-1)" and 16.0 g "mol^(-1) , respectively]