ajackson4985 ajackson4985

28-12-2022
Chemistry

Answered

An acidic sample of a waste solution containing Sn2+(aq) reacted completely with K2Cr2O7 solution to

form Sn4+(aq).

State the oxidation half-equation

Answer :

Other Questions

Assume that 50. 0mL50. 0mL of 1. 0MNaCl(aq)1. 0MNaCl(aq) and 50. 0mL50. 0mL of 1. 0MAgNO3(aq)1. 0MAgNO3(aq) were combined. According to the balanced equation, i

The neutralization reaction is H3PO4(aq) + 3 NaOH(aq) + 3H2O(l) + Na3PO4(aq) What is the concentration of the unknown H3PO4 solution?

A buffer solution is prepared by adding NaH2PO4 to a solution of H3PO4 (phosphoric acid). H3PO4(aq) = H+ (aq) + H2P04- (aq) What happens if NaOH is added? А B

The table shows the amount of radioactive element remaining in a sample over a period of time. Radioactive Decay Rate Amount of Radioactive Sample Time (grams)

An electron will emit energy in quanta when its energy state changes from 4p to A) 55 B) бр C) 5p D) 35

a 0.260-g sample of naoh(s) is added to enough water to make 250.0 ml of solution. the ph of this solution is:

Choose the proper whole-number coeffi- cients for each substance to yield a balanced equation. D 1. 2, 1, 2 2. 1, 1, 1 3. 1, 2, 1 4. 2, 1,1

Metal extracted from Bloleaching Pollution Waste from quarrying Speed of process Very slow Produces a solution of toxic chemicals which may run off into rivers

Part B This table resembles a condensed version of the modern periodic table. Using the full periodic table e as a reference, type the symbols for the elements

The term rate means how quickly something occurs. What are some rates you talk about in everyday life? What are the units? S. . .