Amixture is made up of 3.35g of sio2, 0.38g of cellulose and 8.76g of calcium carbonate. what is the percent of cellulose in the sample?

Can someone me with 6 to 10 plz this is for masteries test.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which of the following molecules is polar? c3h7oh c2h5cooh