Which of the following equations is balanced in an acidic solution?
a. so42- + 2h2o(l) + 2e- so2(g) + 4oh-
b. so42- + 4h+ so2(g) + 4oh- + 2h2o(l)
c. so42- + 2e- so2(g)
d. so42- + 4h+ + 2e- so2(g) + 2h2o(l)

How many atoms are there in 5.70 mol of mg

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

To calculate the molarity of a solution, you need to know the moles of solute and the