humphry davy determined the nature of chemical bonds.
the ground water refers to water present in the under earth in the cracks or pores or similar spaces.we majorly depends upon this sources of water specially in rural area.
it in irrigation and also serve as drinking water supply.
the words or phrases which identify layer of ground water are:
a) water table: the uppermost water saturated layer
b) kettle lake: it is an underground lake (not ground water)
c) saturation zone : this is the zone of water below the water table
d) undergound lake: this is kettle lake (not ground water)
e) sink hole: not a layer of ground water
so the layers of ground water are
a) water table
b) saturation zone
the answer is:
12.00 g of carbon-12.
according to the molar ratio in the equation, for every 1 mole of hcl, 1 mole of nacl is formed.
thus, if 1.9 mol of hcl is used up in the reaction, 1.9 mol of nacl is formed.
so the answer is 1.9 mol of nacl.