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An element contains atoms. How many moles of that element are present?
What are the main ideas in Dalton's atomic theory?
1- Atoms of one element cannot change into atoms of anotherelement.
2 - Atoms combine in simple, whole number ratios to formcompounds.
3 - Each element is composed oftiny, indestructible particles called atoms.
4 - Nuclear particles combine in simple, whole number ratios toform atoms.
5 - Each atom is composed of elements.
6 - All atoms of a given element have the same mass and otherproperties that distinguish them from the atoms of otherelements.
7 - Atoms of one element can change into atoms of anotherelement.
A sample of phosphorus thiochloride, PSCl3, contains 1.36 mol of the compound. Determine the amount (in mol) of each element present and the number of atoms of each element present in the sample.