The product sodium chlorides dissolved in water to separate it from titanium at 30 degree Celsius the solubility of sodium chloride is 36 kg per 100 dm³.Calculate the minimum volume of water in dm³, at 30°C needed to dissolve 1989 sodium chloride.​

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

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.

The grooves or folds of the brain are called