340 cm³ of NaHCO3 solutions contains 1.40 mol of NaHCO3 find the
(a) molarity of solution ;
(b) concentration of the solution in dm^ -3

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i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.

air

in a tire you fill a tire with air

then a couple days later you check the air pressure in the tire

hope this mark me brainliest