Answer:
22.67 L of PH₃
Explanation:
The balanced equation is:
From the equation:
= 22.67 L of PH₃
Answer:
1.33 moles CO2
Explanation:
The number you are converting is 58.4 g CO2, so you start with this value. The conversion factor is 44.0 g/mol CO2. In order to cross out the grams, the grams must go on the bottom of the conversion factor.
1 mol CO2
58.4 g CO2 x -------------------------- = 1.33 moles CO2
44.0 grams
The answer has three sig figs.
0.017×
dissociated H ions are there in 341 ml of an aqueous solution whose ph is 11. 93
If pH = 11.93
pOH = 14.00 - 11.93 = 2.07
[OH- ] = 
[OH-] = 0.00851138 M
In 1 L solution we have 0.00851138 M moles OH- ions
In 0.341 L we have,
0.00851138 * 0.341
=0.0029 moles OH- ions
1 mol OH- ions = 6.022*10²³ ions
0.0029 moles OH- ions = ( 0.0029) * (6.022*10²³)
= 0.017×
Therefore, 0.017× dissociated H ions are there in 341 ml of an aqueous solution whose ph is 11. 93
Learn more about dissociated ions here;
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Answer:
Sodium (Na)
because it belongs to the first group of the periodic table. Therefore its properties are similar to that of lithium.
