The formula of an acid is `HXO_2`. The mass of `0.0242` moles of the acid is `1.657g`. What is the atomic mass of X ?

The formula of an acid is HXO_2 . The mass of 0.0242 g of the acid is 1.657g . What is the atomic mass of X ?

The mass of 0.4 mol Ar is 16 g. What is the molar mass of Ar atoms?

What is the mass of 0.1 mole of HCI?

The number of moles in 16 g calcium is 0.4. What is the molar mass of Ca atoms?

The number of moles of Hydrochloric acid in 365 g is

The number of moles of Nitric acid in 1071 g is

The number of moles of Acetic acid in 780 g is

What is the mass of 0.1 mole of CO_(2) in gram?

The number of moles of Nitrous acid in 423 g is

One mole of element X has 0.444 times the mass of one mole of element Y. One atom of element X has 2.96 times the mass of one atom of C^12. What is the atomic mass of Y ?