. small glass dish labeled C. This dish has previously been weighed. The dish containing the product should be given to a technician who will dry it in an oven for 30 minutes at 80 °C. A technician. volumetric flask and fill it exactly to the mark with deionised water. Pipette 20.00 cm3 of this solution into a 300 cm3 Erlenmeyer flask and dilute to about 100 cm3 with deionised water. Back. complex mineral apatite. This mineral contains, in addition to phosphate, silica and the following ions: Ca2+, 2-3CO, 2-4SO, 2-3SiO, and F–. Let us assume that this mineral is a mixture...