How many moles of potassium cholerete is required to produce 4.8 gm of oxygen?

How many cells and meiosis are required to produce 200 cells ?

How many molecules of ammonia are required to form 8 molecules of urea

How many photons of wavelength , 50 Å are required to produce 0.2 J of energy ? ( h = 6.626 xx 10^(-34) J *s )

How many meiosis are required to produce 50 seeds of tabacco

How many moles of electrons will be required to reduce 1 mol NO_(3)^(-) ion to hydrazine in acidic medium?

How many coulombs of electricity will be required to reduce 1 mol of MnO_(4)^(-)" of "Mn^(2+) .

How much heat is required to melt 5 gm ice?

How many faraday of electricity are required to produce 18 g of Al (atomic mass = 27) from molten Al_(2)O_(3) by electrolysis -

In basic medium KNO_(2) is oxidised by KMnO_(4) forming KNO_(3) .How many moles of KMnO_(4) are required to oxiside 1 mol of KNO_(2) ?