A sample of hydrated magnesium sulfate, mgso4 xh2o, weighs 21.0 g. it is placed inside of an oven until all of the water is vaporized, the anhydrous form weighs 12.0 g. what is the value of x in the hydrated salt? mgso4 = 120 gmol-1.

The equation 2NaNO3 + CaCl2→2NaCl+Ca (NO3) 2 is balanced. How many atoms of oxygen (O) are there on either side of the equation? six one four two answer is 6

Convert 89.6 kg to pounds. There are 453.6 g in 1 pound. Be sure to report your answer to the correct number of significant digits!

2h3po4 + 3mg (oh) 2 → mg3 (po4) 2 + 6h2o phosphoric acid, h3po4, is neutralized by magnesium hydroxide, mg (oh) 2, according to the equation shown. how many moles of water will be produced from the neutralization of 0.24 mole of h3po4? 0.72 mol 0.

Which statement describes a covalent bond

What is the sea of instability

How much ice at a temperature of - 17.5 ∘C must be dropped into the water so that the final temperature of the system will be 31.0 ∘C?

Why does a gas fill completely the vessel in which it is kept?

Individuals who work full time and those who work part-time enjoy basically the same number of paid leave benefits. True False

There is a large increase in ionization energy between the second and the third ionization energies of a metal. What kind of ion is the metal likely to form? Include the charge in your answer.

Which of the following are true statements about equilibrium systems? For the following reaction at equilibrium: CaCO3 (s) ⇌ CaO (s) + CO2 (g) adding more CaCO3 will shift the equilibrium to the right.