How many oxygen atoms have the same mass as three copper atoms? [Relative atomic mass: O = 16, Cu = 64]

The mass of a sulphur atom is 8 times more than the mass of a helium atom. What is the relative atomic mass of sulphur? [Relative atomic mass: He = 4]

Calculate the relative molecular mass of the carbon monoxide gas, CO [Relative atomic mass : C=12, O=16]

Calculate the relative molecular mass of the phosphorus [Relative atomic mass : H=1, C=12, O=16, P=31]

Calculate the relative molecular mass of the Sucrose [Relative atomic mass : H=1, C=12, O=16]

Calculate the relative molecular mass of the Benzoic acid [Relative atomic mass : H=1, C=12, O=16]

Calculate the relative formula mass of the sodium oxide [Relative atomic mass : H=1, C=12, O=16, N=14, Na=23, S=32, K=39, Zn=65]

Calculate the relative formula mass of the Hydrated sodium carbonate [Relative atomic mass : H=1, C=12, O=16, N=14, Na=23, S=32, K=39, Zn=65]

Calculate the relative formula mass of the potassium thiosulphate? [Relative atomic mass : H=1, C=12, O=16, N=14, Na=23, S=32, K=39, Zn=65]

Calculate the relative formula mass of the zinc nitrate [Relative atomic mass : H=1, C=12, O=16, N=14, Na=23, S=32, K=39, Zn=65]

Element Z forms a chloride salt with the formula of ZnCl2 and relative formula mass of 95. What is the relative atomic mass of element Z? [Relative atomic mass Cl: 35.5]