How do you convert 250.6 mg to ounces

What are the resulting coefficients when you balance the chemical equation for the combustion of ethane, c2h6? in this reaction, ethane is burned in the presence of oxygen (o2) to form carbon dioxide (co2) and water (h2o). (g)+(g)→(g)+(g)

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution