Question 1
What is the molarity of formaldehyde in a solution containing 0.25 g of formaldehyde (CH
2O) per mL?
◦ 2.5 M
◦ 25 M
◦ 8.3 M
◦ 83 M
◦ 4.0 M
Question 2
What is the molarity of methanol,

if 150.0 mL is dissolved in enough water to make 4.00 L of solution?
◦ 3.71 M
◦ 1.17 M
◦ 1.48 M
◦ 0.927 M
◦ 0.734 M