9. 1.9 mol HCl and 3.2 mol NaOH react according to the equation

HCI + NaOH → NaCl + H2O

Calculate the grams of H2O formed.

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The formula for magnesium chloride is mgcl2 how many magnesium atoms are there in one molecule

The reaction of 1.250 g k with o2 forms 2.273 g of an oxide of potassium that is used in self-contained breathing devices. determine the formula for this oxide of potassium.

8. How many electrons are in the outermost shell of a sulphur (S) atom? A. 1 B. 2 C. 6 D. 7

Why did Mendeleev leave blank spaces in his version of the periodic table? Mendeleev's periodic table arranged elements in order of increasing atomic mass; spaces were left for elements not having the correct atomic mass.

Which statement is true according to the kinetic theory? 1. Moles of different gases with the same mas and temperature always have the same average density. 2.

A substance with a pH of 9 has A) no H30 + ions or OH - ions. B) more H30 + ions than OH - ions. C) more OH - ions than H30 + ions. D) the same number of H30 + ions as it does OH - ions.

Consider the following quantities used in thermodynamics: E, H, q, w, S, G. How many of them are state functions? a. 2 b. 0 c. 3 d. 1 e. 4

What are some good problem statements

A 5.00L reaction vessel is filled with 1.00mol of H2, 1.00mol of I2, and 2.50mol of HI. If equilibrium constant for the reaction is 129 at 500k, what are the equilibrium concentrations of all species?