A sample of sodium has a mass of `46g.` What is the mass of the same number of calcium atoms as sodium atoms present in given sample ?

A quantity of aluminium has a mass of 54.0 g . What is the mass of the same number of magnesium atoms ?.

A quantity of aluminium has a mass of 54.0 g . What is the mass of the same number of magnesium atoms ?.

A quantity of aluminium has a mass of 54.0 g . What is the mass of the same number of magnesium atoms ?.

A sample of aluminium has a mass of 54.0g . What is the mass of the same number of magnesium atoms? (At. Wt. Al=27, Mg=24)

Calculate the number of moles of sodium (Na) atoms present in 11.5 g of sodium.

A sample of iron has a mass of 1.68 g. Calculate (a) the number of moles of iron present, (6) the number of atoms of iron in the sample

Calculate the mass of sodium which contains the same number of atoms as are present in 10 g of magnesium.

A sodium atom contains 11 electrons. What is the atomic number of sodium ?