State whether true or false. i. 10 mg/L is considered to be equivalent to 10 ppm in mass units. ii. A sample taken from a homogeneous mixture will exactly represent the concentration of the mixture...

State whether true or false. i. 10 mg/L is considered to be equivalent to 10 ppm in mass units. ii. A sample taken from a homogeneous mixture will exactly represent the concentration of the mixture from which the sample is taken. iii. Acidic solutions have generally a pH value less than 7 iv. Iron can combine with sulfur to form iron sulfide. v. The accuracy of any measurement is an impression of how close it is to the correct result. Precision is how close the measurement is to the average of all measurement. Precise measurement does not necessarily mean it is accurate. vi. Significant figure of 1.0030 is five. vii. Natural alkalinity helps in maintaining the waters to a habitable pH levels. viii. Molarity and normality are related expressions of concentration of solution. ix. Molarity and normality are related expressions of concentration of solution. x. Hydronium is an ion and have electric charge.