Mole Concept
$$14$$ g of an element X combines with $$16$$ g of oxygen. On the basis of this, which of the following statement is correct? [At.wt of oxygen $$= 16$$]
Empirical formula of glucose is :
Molecular formula of glucose is $$\displaystyle C_{6}H_{12}O_{6}$$.
Therefore, the empirical formula of glucose is $$\displaystyle CH_{2}O$$.
The structure of glucose is as follows:
$$14$$ g of an element X combines with $$16$$ g of oxygen. On the basis of this, which of the following statement is correct? [At.wt of oxygen $$= 16$$]
The relative number of atoms of different elements in a compound are as follows: $$A =$$ $$1.33$$, $$B =$$ $$1$$ and $$C$$ $$=$$ $$1.5$$. The empirical formula of the compound is:
The empirical formula and the percent composition of dimethyhydrazine, $$C_2H_8N_2$$ which is a colourless liquid used as a rocket fuel, are $$CH_4N, C:40\%$$, $$H: 13.3\% $$ and $$ N:46.7\%$$. If true enter 1, else enter 0.
An experiment showed that in a lead chloride solution, 6.21 g of lead combined with 4.26 g of chlorine. The empirical formula of this chloride is:
Determine the empirical formula of an oxide of iron which has $$69.9\%$$ iron and $$30.1\%$$ dioxygen by mass.
The relative number of atoms of elements, $$X$$ and $$Y$$ in a compound is 0.25 and 0.5. The empirical formula of compound is:
Two elements 'P' and 'Q' combine to form a compound. Atomic mass of 'P' is 12 and 'Q' is 16. Percentage of 'P' in the compound is 27.3. What will be the empirical formula of the compound?
An organic compound contains $$C = 40$$%, $$O= 53.5$$%, and $$H = 6.5$$%. The empirical formula of the compound is:
A compound containing $$80$$% $$C$$ and $$20$$% $$H$$ is likely to be :
$$60\ gm$$ of an organic compound on analysis is found to have $$C = 24\ g, H = 4\ g$$ and $$O = 32\ g$$. The empirical formula of compound is: