1. A student places an unknown substance in the indicator above and it turns yellow. Which of the following could the substance be? (circle one) (1p)
a Lemon juice
b. Water
c. Drain cleaner
d. Acetic acid

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

Explain that newton first law,second law and third law of motion?

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.