Sodium hydroxide solution in this investigation contain 80 grams per dm3 gm the students used 40 cm cubed of sodium hydroxide solution calculate the mass of sodium hydroxide in 40cm cube

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

Ethyl alcohol, also known as ethanol, has a density of 0.79 g/ml. what is the volume, in quarts, of 1.95 kg of this alcohol?