Which of the following compounds is least soluble
in water?
(1) copper (ii) chloride
(2) aluminum acetate
(3) iron (iii) hydroxide
(4) potassium sulfate

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance

Calculate the molarity of 48.0 ml of 6.00 m h2so4 diluted to 0.250 l .

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.