div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentphs-guidance-copierrtmsdorg-20160115-ws-the-percent-composition-by-mass-ofhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: PHS-Guidance-Copier@rtmsdorg 20160115 114730 WS … · The percent composition by mass of a compound represents the percent that each element in a compound contributes to the total loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsinreader036viewer20220629075a9db76e7f8b9a42488c883chtml5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentphs-guidance-copierrtmsdorg-20160115-ws-the-percent-composition-by-mass-ofhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: PHS-Guidance-Copier@rtmsdorg 20160115 114730 WS … · The percent composition by mass of a compound represents the percent that each element in a compound contributes to the total loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsinreader036viewer20220629075a9db76e7f8b9a42488c883chtml5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentphs-guidance-copierrtmsdorg-20160115-ws-the-percent-composition-by-mass-ofhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: PHS-Guidance-Copier@rtmsdorg 20160115 114730 WS … · The percent composition by mass of a compound represents the percent that each element in a compound contributes to the total loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...