In a chemical reaction, a certain amount of hydrochloric acid reacts with 10 grams of sodium hydroxide to produce 19 grams of a solution containing sodium chloride and water. which statement is correct? the mass of water formed is 29 grams. the mass of sodium chloride formed is 29 grams. the total mass of hydrochloric acid used is 10 grams. the total mass of hydrochloric acid used is less than 10 grams.

The mass of sodium chloride formed is 29 grams.

hey your not cool]      

explanation:

let the different atoms be x and y. each with four protons and same mass will be represented as follows.

mass number is number of protons + number of neutrons.

            and  

since, it is given that one has a negative charge while the other is neutral. therefore, there will be increase in number of protons and the atom will be represented as follows.

according to periodic table, mass number of beryllium is 9 and it has atomic number 4 so, the atoms will be and .  

the protons and neutrons will be located inside the nucleus whereas the electrons will be revolving around the nucleus.