the mother told her son not to play with the boy having cough because it is a transferable disease which could cause him also to get sick and would get cough.
while in
illustration 2
the mother let the boy play with the boy having asthma because it is not a transferable disease which wold not affect him or any one else.
Some serious diseases like anthrax is also caused in animals by the microbes. Microbes also cause diseases of plants like blights in potatoes, sugarcanes, oranges etc. They also reduce the yield. Microbes grow on food products and render them unfit for consumption.
Molar mass of NaHCO3 is 83.9. moles of Na...O3= 5.8/83.9 =0.0691 for every mole of Na..O3 there are 3 O n(O) = n(NaHCO3) x3 = 0.207 mass of O is the moles x molar mass (16) therefore the mass of O is 3.3 grams