BTEC Applied Science: Colorimetry Unit 2 Learning

Burr’s Bakery Chain of bakeries, wide selection of bagels. Well known and popular, go to lunch stop for local people. Founded by Owen Burr, no previous managing experience. The first shop in Chester, consisted of three trainees and seven experienced members Aims- Provide good quality products, improve net profit and expand the business. Number of Staff Leaving 0 5 10 32 Total workforce Wastage (poor quality) 8% 10% 16% 24% Customer Satisfaction Rating 95% 90% 82% 68% Labour ...

(i) First, calculate the amount, in moles, of Na2CO3 used: amount (in moles) = mass (in grams) / molar mass (in g mol-1) Answer = ........................................ mol (ii) Next, calculate the concentration of the 250 cm3 solution that you have made: concentration (in mol dm-3) = amount (in moles) / volume (in dm3 )