A balance measured the mass of a 1.000 g standard as 0.9981 g.

How many miles of water are produced if 5.43 mol pbo2 are consumed

How many grams of mgbr2 are needed to produce 75g or metal?

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space