Answer:6.94
Explanation:
Molar mass of CaCO3=40+12+16×3
=40+12+48=100g/mol
Moles=mass of substance/molar mass
=97mg/100g=0.097/100=0.00097moles/L.
PH=-log[CaCo3]=-log(0.00097)=6.94
P.s it's log to base e
Answer: The answer would be D.
Explanation: When a screw is tightened into an object, it is wedge in between.
Answer:
the sun
Explanation:
the sun is not alive and plants use photosynthesis to eat the radiation emitted by the sun.
Answer:
1 kilogram weight at sea level would be the equivalent of 2 pounds.
Explanation:
The last answer
the place where the organisms live
Hope this helps!!! :))))