A given sample of pure compound contains `9.81 g` of Zn, `1.8xx10^(23)` atoms of chromium, and `0.60` mol of oxygen atoms. What is the simplest formula?

A sample of pure compound contains 1.15 g of sodium, 3.01xx10^(22) atoms of carbon and 0.1 mol of oxygen atom. Its empirical formula is

A sample of pure compound contains 2.04 g of sodium, 2.65xx10^(22) atoms of carbon and 0.132 mol of oxygen atoms. Its empirical formula is

An organic compound consists of 6.023 xx 10^(23) carbon atoms, 1.8069 xx 10^(24) hydrogen atoms, and 3.0115 xx 10^(23) oxygen atoms. What is its simplest formula?

A sample of vitamin C is known to contain 2.58 xx 10^(24) oxygen atoms. How many molesof oxygen atoms are present in the sample?

A compound of magnesium contains 21.9% magnesium, 27.8% phosphorus and 50.3% oxygen. What will be the simplest formula of the compound?

5.325 g sample of methyl benzoate, a compound used in the manufacture of perfumes is found to contain 3. 758 g of carbon, 0.316 g of hydrogen and 1.251 g of oxygen. What is empirical formula of compound. If mol. Weight of methyl benzoate is 136.0 , calculate its molecular formula.