How many atoms of Carbon are present in 34.2 g of sucrose​

H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?

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

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li