The Elements X, Y Combine to Form Two Compounds as XY and X2Y. Find the Atomic Weight of X and Y, When the Weight of 0.1 Moles of XY is 10g and 0.05 Moles of X2Y is 9g.
60, 40
80, 20
30, 20
20, 30
Which One will have Maximum Numbers of Water Molecules
A Measured Temperature on the Fahrenheit Scale is 200 °F. What will This Reading be on the Celsius Scale
Which of the Following one has the Largest Number of Atoms
Calculate the Number of Gram Molecules of Oxygen in 6.02 × 1024 CO Molecules.
How Many ml of Water Must be Added to 200 ml of .65 M HCl to Further Dilute the Solution to 0.20 M