GUYS HELP PLS QUICK LOTS OF POINTS AND BRAINLIEST! A 0.250 M solution was prepared from 135 mL of a 7.00 solution. What volume of water (in mL) was required for dilution?

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Which terms are used to identify pure substances

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?