Chemistry

Chemistry, 21.10.2019 23:40, morkitus13

What is the molartity of 2 moles of a compound dissolved in 4 l of water

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Chemistry, 07.07.2019 15:30, lishalarrickougdzr

Match the term with its description. alkaline ion ph acid a) a value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water b) a compound that increases the hydroxide ions (oh−) when it is dissolved in a solution c) a compound that increases hydrogen ions (h+) when it is dissolved in a solution d) an atom or molecule that has a positive or negative charge

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Chemistry, 25.07.2019 13:00, dzepeda061

98 ! will award extra pls answer the following: make the following calculations of properties of gases a. how many moles of so2 are in 745 l at stp? b. what is the volume of 325 moles of n2? c. what is the density of a gas with a molar mass of 78 g/mole? question 18 determine the following formula masses: a. nh4cl b. nahco3 c. c17h18f3no question 19 how many moles are each of the following? a. 270 g kbr b. 397 g li2so4 question 20 calculate the percent by mass of water in the following compounds a. cocl2.6h2o b. pbcl2. 3h2o question 21 how many particles are there in a. 0.2 moles feso4 b. 1.7 moles ch4 question 22 what is the mass of a. 1.7 moles cabr2 b. 0.48 moles n2o question 23 determine the percent composition for the following a. a compound contains 6.2 g c, 4.1 g h, and 15.9 g o b. a compound contains 1.2 moles c and 3.2 moles h

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Chemistry, 30.07.2019 15:30, michellemaricioxbyk0

Match the term with its description. terms: acid alkaline ph ion description: a compound that increases the hydroxide ions (oh−) when it is dissolved in a solution. a compound that increases hydrogen ions (h+) when it is dissolved in a solution. an atom or molecule that has a positive or negative charge . a value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water.

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Chemistry, 25.10.2019 02:43, namirah0303

Assume the following substances are soluble in water. for each of the following fill in the blank with the appropriate whole number. if a substance dissolves as a molecular unit, enter a value of 0 for the number of ions. one mole of ammonium carbonate will form moles of ions when dissolved in water. one mole of methyl alcohol will form moles of ions when dissolved in water. one mole of methane will form moles of ions when dissolved in water. one mole of aluminum sulfite will form moles of ions when dissolved in water. one mole of hydrobromic acid will form moles of ions when dissolved in water

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