In the laboratory, a sample is found to contain 1.05 grams of nickel and 0.29 grams oxygen 63% manganese, Mn, and 37% oxygen.. Determine the empirical formula.

What volume of a 0.0606 m solution of strontium bromide is needed to obtain 0.340 mol of the compound? question 42 options: a)5.61 l b) 3.4 l c) 600 ml d) 1 l e) 178 ml

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid