Determine the molar mass of CH3COOH (the solute) in a 2.0M aqueous solution of CH3COOH

If i add water to oil what will happen

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6

The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as