How many sig figs are there?
4000.

The difference between the atomic number of an element and the element’s atomic mass is the number of ions.

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?

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.