What mass, in grams, of NaNo, is needed to make 6.24 Liters of a 0.500 M solution? What is the concentration, in M, of 50.8 grams of C6H12O6 dissolved in 1.00 Liters?
M=mol/L solution

What mass of Ca(OH)2 had dissolved into 0.325 Liters if the concentration of the solution is 0.115 M?​

do i answer one or all three

Explanation:

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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.