Find the molar mass for NaNO3. 1. 70.99 g/mol
2. 62.01 g/mol
3. 69.00 g/mol
4. 85.00 g/mol
5. 53.00 g/mol

To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?