Samuel requiere preparar una solución con un pH de 4,03. De las siguientes concentraciones de NaCl ¿Cuál es la solución que debería tomar Samuel? Realiza para cada uno, el cálculo de pH. a) 0,0092 M

b) 0,00092 M

c) 0,000092 M

d) 0,0000092 M

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

What’s the theoretical yield of solid lead

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.