PH of a solution is -ln[H3O+]
so,in case of A pH=3 or,-log[H3O+]=3 or,[H3O+]=10^-3
in case of B pH=6 pr,-log[H3O+]=6 or, [H3O+]=10^-6
so,hydronium ion concentration in solution A /the hydronium ion concentration in solution Z
=10^-3/10^-6
=1000
2)
Ca(OH)2+2 HNO3=Ca(NO3)2+2 H2O
so the answer is 2.
Answer:
a). The products are C6H12O6 O2 and the reactants are CO2 + H20 + (solar (light) energy)
b). The reaction chemical reaction is balanced from the number of moles of reactants and products
Explanation:
Through photosynthesis green plants, some protistans and some bacteria in the presence of energy from sunlight, produce glucose as well as oxygen from carbon dioxide and water.
It is a chemical reaction taking place in green plant to produce food which it uses to survive.
Photosynthesis requires carbon dioxide, water and solar energy in the leaves of a plant for it to take place.
The equation for photosynthesis is as follows: 6CO2 + 6H20 + (solar (light) energy) → C6H12O6 + 6O2
The products are C6H12O6 O2
and the reactants are CO2 + H20 + (solar (light) energy)
The reaction chemical reaction is balanced from the number of moles of reactants and products
Answer:2
Explanation:because the compound is CaI2, Ca needs to lose 2 electrons and I needs to gain 1 electron to reach an octet and so there will be 2 I atoms therefore 2 electron transfer
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