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Adwaith rhwng asid hydroclorig
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- Words:
- 867
- Submitted:
- Tue Sep 02 2003
... ENW: Sean Elfed Lewis RHIF ARHOLIAD: 8058 RHIF Y GANOLFAN: 68424 Adwaith rhwng asid hydroclorig A sodiwm thiosylffad * Mi rydwyf yn ceisio darganfod sut mae newid y crynodiad o sodiwm thiosylffad yn mynd i effeithio ar gyfradd yr adweithedd rhwng asid hydroclorig a'r sodiwm thiosylffad. * Y newidynnau gall effeithio ar yr arbrawf yw cyfaint asid, tymheredd, crynodiad y sodiw thiosylffad a'r cyfaint o ddwr. (Catalydd), (Arwynebedd arwynebol). * Y newidyn byddaf yn ei newid yn yr arbrawf fydd y crynodiad o sodiwm thiosylffad. Mi fyddai'n defnyddio amrediad rhwng 10 a 50 cm³ hefo'r sodiwm thiosylffad yn mynd i fyny 10 cm³ bob tro. Fyddai'n gwneud yr un arbrawf tair gwaith i bob crynodiad o sodiwm thiosylffad. Mi fyddai yn newid crynodiad o sodiwm thiosylffad drwy ychwanegu dwr i'r arbrawf. * Mi fyddaf yn rheoli y gweddill gan wneud yr un arbrawf yn yr un ystafell i wneud yn siwr fod y tymheredd yn gyson. Mi fyddaf
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