Using the following formula 2 C2H2 + 5 O2 ——> 4 CO2 + 2 H2O How many grams of CO2 can be produced? What do I need to change?

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What does that mean you dum bum

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf