First one - Mg(OH)2+2HCl— MgCl2+ 2H2O
second one - CH4+2O2– 2H20
Third- is already balanced.
Answer:
fluorine plus chlorides think
Since tasting or touching the texture or surface could be deemed unsafe. It would be best to use a pH meter or litmus paper. pH meter will accurately determine pH. Litmus paper if red will be acidic and basic if blue. You can also perform conductivity test. Else, you can also perform hydrogen test.
Answer:
What is mole used for?
Explanation:
The mole is widely used in chemistry as a convenient way to express amounts of reactants and products of chemical reactions.
SI base units: Base unit (Dimensionless)
Symbol: mol
Unit of: Amount of substance
Unit system: SI base unit