Which material is very strong and tough but shows very little elongation as it absorbs energy? spider silk rubber kevlar® concrete

0.09 moles of sodium sulfate in 12 ml of solution

Pls i will do pls imma diewhat forms white light? (4 points)a. combination of all wavelengths of ultraviolet light b. combination of all wavelengths of visible lightc. absorption of electromagnetic waves d. absorption of infrared rays

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate according to the following equation: