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Deepti
Questions (2)
The story 'The White Knight' explores the theme the importance of self-awareness?with reference to the story.
So the white Knight
4 answers
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Determine the regression line of x+2y-5=0 and 3x+3y-8=0
(i) y on x and (ii) x on y, (iii) Find r using the regression
0 answers
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Answers (1)
Answer: 1.75 × 10⁻³ M Explanation: Given: Hardness = 175 mg CaCO₃/L or mass of CaCO₃ in 1 L = 175 × 10⁻³ grams Now, Molar mass of CaCO₃ = 40 + 12 + ( 3 × 12 ) = 100 grams/mol The concentration of CaCO₃ = number of moles / volume or = (175
