The solubility product constant for MX2 is 2.1 x 10-8. How many grams of MX2 (186.06 g/mol) will dissolve in 298 ml of water at 25°C. M is the metal and X is the anion. Enter as a number to 4 decimal places.
QUESTION 10 1 points Save Answer How many grams of lead (II) chloride would dissolve in 100 mL of water? The Ksp for lead (II) chloride is 2.4 x 10-4 and the molar mass is 278.1 g/mol. ОА. 1.4 x 10-4 g OB. 10.9 g OC.1.1 g OD. 0.039 g O E.4.3 g
30) How many grams of helium gas occupy 344 mL at 688 mmHg and 36°C? A) 37300 g B) 8010 g C) 4690 g D) 0.0123 g E) 0.0491 g 31) Select the best answer for tap water that has a hydrogen ion concentration of 1 x 10M A) Acidic with pH = 8 B) Basic with pH = 8 C) Acidic with pH = -8 D) Basic with [H]=-8 E) Basic with [H"] = 6 32) How many grams...
A B C D 9.03 x 10 24 9.03 x 10 21 none of the above How many atoms of nitrogen are in 1.5 9.03 x 10 22 9.03 x 10 23 moles? 2.3 x 10 22 2.3x 10 21 2.3 x 10 23 none of the above How many atoms of nitrogen are in 3.8 moles? How many atoms of nitrogen are in 2.1 moles? How many atoms of nitrogen are in 4.8 moles? How many atoms of nitrogen...
8 Fig. 18-55 shows two point charges q, -+5.0 x 10*C and q2 =-6.0 × 10-C. (a) Find the potential at A. (b) Find the potential at B. (c) Find the potential difference V,V. y, cm 42 10 7i 10 20 Fig. 18-55
5. How many atoms of nitrogen are in 10 grams of NHINO? a)0.125 b) 2 17.53 x 10 d) 1.51 x 10 1 6.02 x 10 6. The average molar mass of Cu, which has two naturally cecurring isotopes is of the islopes has an atomic weight of 619 amu and makes up e9.1% of lhe custope. The other isotope has an abundance of 30.9% . The atomic weight (am) of the second istice is 63.5 amu. One a 63.2...
2-27. What volume of a 6.0%(m/V) solution of ethanol contains 30 g of ethanol A) 6,0 mL B) 10.ml C) 50 mL D) 5.0 mL E) 30.ml 7 2-28. How many 1:10 serial dilutions are needed to prepare a pH 4 solution from 0.1 M hydrochloric acid A) 1 B) 2 C) 3 D) 4 E) 5 2-29. How many grams of glucose should be weighed out to make 1 liter of a rehydration solution that contains 75 mmol of...
8 2 H NaOH Еюн 5 benzaldehyde d 1.044 acetone d0.791 When doing part B of the reaction for lab, how many grams of benzaldehyde (#4) would you need if you are trying to make a maximum theoretical yield of 15 grams of dibenzalacetone (#6)? Acetone: density 0.791 g/mL and molar mass 58.08 grams/mole Benzaldehyde: density 1.044 g/mL and molar mass 106.12 grams/mole Dibenzalacetone: molar mass = 234.29 grams/mole Enter answer.... со
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2. How many grams of NaF would have to be added to 2.00 L of 0.100 M HF to yield a solution with a pH = 4.00? Assume the volume of the solution remains at 2,00 L after the NaF is added. (a) 300 g (6) 36 g (c) 0.84 g (d) 6.9 g (e) 60. g 3. What is the pH at the equivalence point in the...
How many grams of solute are present in each of these solutions? a. 47.2 mL of 0.351 M HBr g HBr ot b. 103.0 L of 1.21 M Na2 COs pt pt g Na2COs c. 31.7 mL of 6.2 M CH3 COOH g CH3COOH pt d. 2.4 x 10 L of 1.40 M H2SOs 1 pr g H2SO 1 pt 8 item attempts remaining Try Another Version Submit Answer 1 pt 1 pt 1 pt 1 pt 1 pt