Giúp em Chemistry với ??? 1/ The gram weight being used for serum is 1.03gm = 1ml a) What bottle 125ml, by weight. How many gram we measure ? b) After subtracting the weight of container We measure a bottle of serum 3,024 gram What is the volume. 2/ We order produce 15Liters of serum. The yield of finish product, in the case is 45% of starting volume of raw material. How much raw material we need. 3/ We wish to add 0.05% sodium Azide to 2.5 liters of serụm How many grams of sodium Azide do we add ? Các bác giúp cho em lời giải nhé. Cám ơn trước.
1/ a:/ Because 1.03 (g) serum equals 1ml serum, we have 125ml = 125X1.03 =.... b:/ The volume that correlative with 3.024 g serum is: 3.024/1.03 2/ The amount of raw material to produce 15L of serum with the concentration of 45% is: 45x15/100=.....(L) or 45x15x1.03x1000/100=....(g) 3/ In order to get 0.05% sodium azide we need : 0.05x2.5x1000x1.03/100=....(g) If U find something unclear, just reply and I will let U know Have a nice day!
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