Barium sulfate is used to make the digestive tract visible in X-rays. For it to be visible, it must remain insoluble. A pharmacist preparing a slurry of barium sulfate should choose to dissolve the barium sulfate in

What is avogadro’s number, and why is it useful

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.