3Pb(s) + 2H3PO4(l) —->

What is the formula that this ionic compounds could form sr2+p3-o2-

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

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.