Answer:
See explanation
Step-by-step explanation:
Since baking soda is a solid, all we need is to have a spatula, a filter paper and a triple beam balance.
The triple beam balance is set at zero and the filter paper us placed on the triple beam balance. This is the ensure that the mass of the filter paper is recorded as zero gram.
The triple beam balance is now adjusted to 2.6 g and sodium bicarbonate is added to the filter paper on top of the beam balance using a spatula. The 2.6g mass is the point when the pointer of the triple beam balance focuses at the zero mark.