Question

What is mole concept calculate the number of molecules in 45g of water answaer? buy Hindi

Answer 1

Water -
$h_{2}o$
GMM of water -
$h = 1 \\ o = 16$
$1 \times 1 + 2 \times 16$
$1 + 32$
$33$
$h_{2}o \: = 33grams$
$1 \: mole = 33gm \: of \: h_{2}o$