A compound is 43.7% phosphorus and 56.3% oxygen. The formula mass of this compound is 284g. Calculate the empirical formula and molecular formula of the compound.

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.