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nompumelelo

Questions (6)

A journey between two towns,pitermaritzburg and Durban is exactly 90km use a graph to model how variation in time taken to
1. 1 answer
2. 528 views
Are there any welfare or subsidy payments that should be reviewed or added
1. 2 answers
2. 970 views
identify one environmental factors that courses ill health, accidents, crises and disasters with your community (south africa)
1. 1 answer
2. 435 views
hence calculate the value of x if the area is 25cm2
1. 1 answer
2. 335 views
why should samples be weighed rather than measured volumetrically when determining the acetic acidin vinegar
1. 0 answers
2. 607 views
in 10 to 15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community.provide
1. 19 answers
2. 637 views

use the h-h equation : pH=pKa+log(base/acid) since you're given ka,calculate kb using the formula: kw/ka=kb 1*10^-14/1.76*10-5=5.68*10^-10. pKb will therefore be -log(5.68*10^-10)=9.25 pH=9.25+log(0.5/0.5)=9.25
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I think that pure maths is de best. I knw that it is hard BT we can make it guys
Government is not providing us because there are many people who have sustainable settlement
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