Q$2.($a$)$ Record the actual scale reading for each solid.

Malonic acid: g

Manganese sulfate monohydrate $\mathrm{.}179$ g

$($b$)$ Suppose a student desires to obtain $3\mathrm{.}0g$ of a solid. The scale reads $3\mathrm{.}026g.$ Should she add more solids, subtract or do nothing to match scale reading with the desired weight?

Explain.

Figure $3.$

Approaching the etched mark with an eye dropper.