Calculate the mass of water produced when 5.00 g of methane, CH4, reacts with an excess of oxygen in the following unbalanced reaction. CH4(g) + O2(g) ® CO2(g) + H2O(g)

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.

Acompound has the molecular formula c3h8. which class of organic compounds does it belong to?