Aluminium is extracted from aluminium oxide. 38% of a rock sample is aluminium oxide.
Calculate the mass of aluminium oxide in 40 kg of the rock sample.
Mass of aluminium oxide =
kg​

Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.