Chemistry
高中
已解決
この解き方を教えていただきたいです。
何処から手をつければいいか分からない状態です。
How many moles of H,O, were used in this demonstration? The peroxide solution is
35% by volume, the density of H.O2 is 1.45g/mL.
2H.0。
溶液胎+H
溶質が35。
0 +ントにD
4。
C0149<0028
0015mcl t
Demonstration
You have just observed the catalysed decomposition of hydrogen peroxide (H:O2). Hydrogen
peroxide naturally decomposes to O2 (g) and H,O (I) at a very slow rate. This rate was
massively increased by the addition of a catalyst, a saturated aqueous solution of KI. A small
amount of soap was added to 80. mL of 35% H,O2,the soap was only there to create the
foam, it did not take part in the reaction. Food coloring was also added to make it look more
not take part in the chemical reaction. The saturated KI solution was added
exciting, it
or1ou DID 1/ 6
quickly.
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