A1.850 g mixture of srco3 and sro is heated. the srco3 decomposes to sro and co2. what was the mass percentage of srco3 in the mixture if the mass after heating is 1.445 g?

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)