Deepti

The story 'The White Knight' explores the theme the importance of self-awareness?with reference to the story. So the white Knight stole some buns,ravished the girl,replaced his horse and killed the other white knight...so he actually didn't focus on his i...

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 × 10⁻³ / 100) /...