CHEMISTRY: THE MOLE, pls help this is due in an hour One mole of a substance contains the same number of atoms or molecules as one mole of any other substance.
a Which contains more atoms: 55.8 g of Fe or 16.05 g of S? Show your working (2 marks)
b Which contains more molecules: 340 g of NH3 or 90 g of H₂O? Show your work. (2 marks)
с How many more atoms are there in 48 g of C compared with 48.6 g of Mg? Explain your answer.

there is more on the sheet pls help :(

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

1.75 is the weight of one medium egg

Answeramino acids;

(no3)⁻n has oxidation number x,o has oxidation number -2.(x*1 -2*3) charge of the nitrate ion, and we know that charge of the nitrate ion =-1.so,(x*1 -2*3) =-1x-6=-1x=+5answer a. +5.