Equal masses of oxygen and ozone are present in a container at 298 K. The ratio of their partial pressures ($P_{O_2} : P_{O_3}$) is:

Elements M and N form two compounds, $MN$ and $M_2N_3$. 0.5 moles of $MN$ weighs 25 g, and 0.1 moles of $M_2N_3$ weighs 13 g. Determine the atomic weights of M and N.

Elements A and B form two compounds $A_2B$ and $A_3B_2$. 0.2 moles of $A_2B$ weighs 20 g, and 0.1 moles of $A_3B_2$ weighs 18 g. Find the atomic weights of A and B.

Which of the following has the maximum number of electrons

Number of moles of $N{a_2}S{O_4}$ produced from 1 mole of NaOH

Suppose the elements X and Y combine to form two compounds $X{Y_2}$ and ${X_3}{Y_2}$. When 0.1 mole of $X{Y_2}$ weights 10 g and 0.05 mole of ${X_3}{Y_2}$ weights 9 g, the atomic weights of X and Y are

7.5 gr of a gas occupy 5.8 L of volume at STP, the gas is

Which of the following statement is correct

Elements X and Y form compounds $XY_2$ and $X_3Y_2$. If 20 g of $XY_2$ contains 0.2 moles and 18 g of $X_3Y_2$ contains 0.1 moles. What are the atomic weights of elements X and Y?

Two elements, R and S, combine to form $RS_2$ and $R_2S_3$. If 10 g of $RS_2$ contains 0.1 mole and 9 g of $R_2S_3$ contains 0.05 mole, find the atomic weights of R and S.

What is the minimum volume (in mL) of a 17.0% $\AgNO_3$ solution required to completely precipitate all chloride ions from 100 mL of a 5.8% NaCl solution?