Answer:
u will equate and make V2 the subject because it's the one u are looking for ....
No. The number of a protons is not equal to it's atomic weight, instead it is equal to the 'atomic number'
Answer:
Temporary hardness is a type of water hardness caused by the presence of dissolved bicarbonate minerals (calcium bicarbonate and magnesium bicarbonate). ... However, unlike the permanent hardness caused by sulfate and chloride compounds, this "temporary" hardness can be reduced by boiling the water.