A 1.00 liter solution contains 0.28 M ammonia and 0.37 M ammonium iodide. If 0.190 moles of potassium hydroxide are added to this system, indicate whether the following statements are true or false. (Assume that the volume does not change upon the addition of potassium hydroxide.) A. The number of moles of NH3 will decrease.

a. The number of moles of NH4+ will increase.
b. The equilibrium concentration of H3O+ will increase.
c. The pH will decrease.
d. The ratio of [NH3] / [NH4+] will remain the same.

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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rosa was looking for patterns to predict the products of chemical reactions. she recorded three similar decomposition reactions in the table.she should record 2licl + 3o2.

in the last row of the table. it is the thermal decomposition of chlorate lithium, hence, she should record these products as: lithium chloride ( 2licl ) and oxygen ( 3o2 )   2 > 2 licl + 3o2.