\({\%~of~an~element} = \frac{mass~of~an~element~in~the~compound}{relative~formula~mass~M_r} \times 100\) There are six atoms of hydrogen in the compound, so the mass ...
Get the CBSE Class 9th Science chapter, Atoms and Molecules: Important topics and questions to prepare for CBSE Class 9 Science Examination, 2017-2018. This will provide you with a very clear idea ...
The gram formula mass (GFM) of a substance is known as the mass of one mole. Relative atomic masses of selected elements can be found in the SQA Data Booklet.These can be used to calculate the gram ...
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