แผ่นงานLimiting Reagents
คำถามทั้งหมด: 21
Why is it important to identify the limiting reagent?
The limiting reagent speeds up the reaction.
The limiting reagent controls the amount of product formed.
If there is no limiting reagent, the reaction will not occur.
No stoichiometry calculations can be done without a limiting reagent.
1 Mg + 2 HCl --> 1 MgCl2 + 1 H2
Theoretical yield = 73g
Actual yield = 62g
Calculate the percent yield.
116%
85%
1.16%
76%
Cl2 + 2 KBr → Br2 + 2 KCl
How many grams of potassium chloride can be produced from 356 g of Cl2 and 356 g of potassium bromide?
749 g
223 g
479 g
814 g
3AgNO3 + Na3(PO4) ---> Ag3(PO4) + 3NaNO3
A sample of silver contains 5.71 x 1022 atoms. How many moles of silver are present?
3.43 x 1046 moles
0.0529 moles
0.0948 moles
10.5 moles
Vitamin C, also known as ascorbic acid, is water soluble and cannot be produced by the human body. Each day, a person's diet should include a source of Vitamin C, such as orange juice. Ascorbic acid has a molecular formula of C6H8O6 and a molar mass of 176 grams per mole.
Determine the number of moles of vitamin C in an orange that contains 0.171 grams of vitamin C.
30.1 moles
1030 moles
.000971 moles
.0001 mole
What is the total mass, in grams, of a 0.75 mole sample of SO2?
16 g
24 g
32 g
48 g
_Zn+_HCl-->_ZnCl2 +_H2
_Zn+_HCl-->_ZnCl2 +_H2
What coefficients are needed to balance the reaction?
แป้นคำตอบLimiting Reagents
คำถามทั้งหมด: 21
The limiting reagent controls the amount of product formed.
85%
223 g
0.0948 moles
.000971 moles
48 g
