9. the molar mass of na2so4 is 142.1 g/mol.
calculate the number of moles in 10.0 g of na2so4.

• 7 x 6.02 x 10^23 x 142.1 g/mol
• 10.0 g/ 142.1 g/mol
• 7 x 10.0g/142.1 g/mol
• 10.0g x 142.1 g/mol

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. initial mass and yield sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc