How many moles of sodium ions are contained in 99.6 mg of Na2SO3? The molar mass of Na2SO3 is 126.05g/mol.

A 2.10 L vessel contains 4.65 mol of nitrous oxide (N2O) at 3.82 atm. What will be the pressure of this gas in a container that's half the size?

What is the product (s) in the reaction below? 2Na (s) + 2H2O (l) 2NaOH (aq) + H2 (g)

A solution is prepared by dissolving 10.0 g NaCl in 600 g of water. What is its molality? (Note: the molar masses are NaCl = 58.5 g/mol; H2O = 18.0 g/mol) A. 0.892m NaCl B. 0.285m NaCl C. 5.13m NaCl D. 1.81m NaCl

Energy released from atomic reactions is called?

Explain why ionic compounds are electrically neutral

The tapeats sandstone in the grand canyon is an example of a clastic sedimentary rock. such clastic sedimentary rocks can be distinguished from biochemical sedimentary rocks by

An ice cube and a scoop of table salt are left outside on a warm, sunny day. Explain why the ice cube melts and the salt does not

Which atomic orbitals overlap to form the C-O bond of dimethyl ether, (CH3) 20? O c 2sp^3 + 2sp^3 OC 2sp^2 + 0 2p O c 2sp^2 + 0 25p^2 O C 2sp^3 + O 2sp?

For the reaction CO+2H2=CH3OH at 700 K, equilibrium concentrations are [H2]=0.072 M, [CO] = 0.020M, and [CH3OH] = 0.030 M. Calculate K

How to make fluffy slime without contact solution?