0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How...
how many grams of sodium formate must be dissolved in a 0.300 M solution of formic acid to make 400.0 ml of a buffer solution with a pH=4.60?
How many milliliters of a 0.450 M LiI solution contain 0.600 moles of LiI? Group of answer choices 0.885 x 103 mL 0.326 x 103 mL 0.750 x 103 mL 1.33 x 103 mL 0.543 x 103 mL
3. How many mL of 0.450 M HCl are needed to titrate 25.0 mL solution of 0.250 M Na2CO3 solution? Na2CO3(aq) + 2HCl(aq) + 2NaCl(aq) + CO2(g) + H2O(l)
HELP WITH B and C please ? (molarity stoich) How many grams of sodium nitrite are needed to make 2.50 L of 1.12 M solution? Calculate the number of moles of the precipitate formed when 525 mL of 0.500 M potassium iodide reacts with excess lead (II) nitrate. Balanced equation:___ Calculate the number of grams of precipitate formed when 2.00 L of 0.400 M calcium chloride reacts with excess silver nitrate. Balanced equation: How many milliliters of a 1.5 M...
How many moles of NaOH are present in 20.5 mL of 0.300 M NaOH? moles:
How many moles of CH,OH are there in 73.0 mL of 0.400 M CH,OH? Attempts remaining: 7 How many moles of HCl are there in 75.0 mL of 0.280 M HCI? Attempts remaining: 7 What is the concentration of a solution made with 0.425 moles of KOH in 400.0 mL of solution? Attempts remaining: 7 What is the concentration of sodium ions in 0.380 M NO.CO,? Attempts remaining: 7 What is the concentration of sodium ions in 0.300 M Na,SO.?...
How many grams of solid sodium nitrite should be added to 2.00 L of 0.101 M nitrous acid solution to prepare a buffer with a pH of 2.460? (K, for nitrous acid = 4.50x104) g sodium nitrite
How many grams of solid sodium nitrite should be added to 2.00 L of 0.210 M nitrous acid solution to prepare a buffer with a pH of 2.810? (Ka for nitrous acid = 4.50×10-4) g sodium nitrite
which one is the answer of how mang moles of sodium are needed? 3. How many moles of sodium are needed to react with sulfuric acid to produce 3.75 moles of sodium sulfate according to the following (unbalanced) reaction: Na + _ H2(SO4) à - Na2(SO4) + H2
How many liters of 0.122 M NaOH solution are needed to react completely with 0.300 L of 0.672 M H2SO4 solution? 2 NaOH + H2SO4 2 H2O + Na2SO4