How are the properties (boiling point and odourless) related to the bonding within the compound sodium chloride?

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.