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20 mL of 15% HCl(v/v) 1000 mL of 10% HCl(w/v) Give the percentages of the following:...

20 mL of 15% HCl(v/v)

1000 mL of 10% HCl(w/v)

Give the percentages of the following: 130 mg of HCl + 90 g of H20

How many grams of sodium chloride are there in 0.75 L of a 5% solution?

What weight of NaOH would be required to prepare 500 mL of a 1.5 M solution?

A solution contains 25 g NaCl/L. What is its molarity?

What is the molecular weight of NaCl?

What is the equivalent weight of NaCl?

What is the molecular weight of MgCl2?

What is the equivalent weight of MgCl2?

Describe how to make a 3M solution of Na2SO4

What weight of H2SO4 is required to prepare 500 mL of a 2M solution?

Explain how to prepare a 2N solution of HCl

Explain how to prepare a 3N solution of MgCl2

Please explain how to prepare the following:

400 ml of a 2% glucose solution from a 50% solution available.

A 2% solution of HCL is required for a procedure. A 6% solution is available. How much of the 6% solution will be required to make 1000 mL of a 2% solution?

A procedure calls for acetic acid and water; with the proportions being one part acetic acid to four parts water. 200 mL are needed. How much acetic acid and water are required?

1 L of 70% alcohol is needed. How much 95% alcohol is required to make the 70% solution?

75 mL of a 1N HCL solution is needed. You have a 5N solution available. How will you go about preparing this solution?

Expert Solution

queen_honey_blossom answered 1 year ago

20 mL of 4.0 M acetone + 10 mL of 1.0 M HCl + 20 mL...

20 mL of 4.0 M acetone + 10 mL of 1.0 M HCl + 20 mL of 0.0050 M I2 If the reaction is zero order in I2, approximately how long would it take for the I2 color to disappear at the temperature of the reaction mixture 20 mL of 4.0M acetone + 10 mL of 1.0 M HCl + 10 mL 0f 0.0050M I2 + 10 mL H2O .

If 1 mL of a 0.02% w/v isoproterenol hydrochloride solution is diluted to 10 mL with...

If 1 mL of a 0.02% w/v isoproterenol hydrochloride solution is diluted to 10 mL with sodium chloride injection before intravenous administration, calculate the percent concentration of the diluted solution.

Solve the following dissolution exercises: A. 3 aqueous solutions are mixed: 50 mL of 10% w/v...

Solve the following dissolution exercises: A. 3 aqueous solutions are mixed: 50 mL of 10% w/v HCl, 35 mL of 3.2% w/v NaCl and 65 mL of 13% w/v KCl, which is the final concentration of the solution in %p/v with respect to H +, Na +, K +, Cl- B. What volumes of 8M, 5M and 3M HCl should be mixed to prepare 1 L of 6M HCl C. It is necessary to prepare 35 mL of 15% w/v...

How many milliliters of a 1% w/v epinephrine injection must be used to prepare 20 mL...

How many milliliters of a 1% w/v epinephrine injection must be used to prepare 20 mL of an injection containing 1:200,000 w/v epinephrine?

Rx: Castor oil 10% (v/v) Tween 80 and Span 20 2% (w/v) Simple syrup qs 50...

Rx: Castor oil 10% (v/v) Tween 80 and Span 20 2% (w/v) Simple syrup qs 50 mL How many gram(s) of Span 20 are needed to prepare for the prescription, given that the required HLB for the emulsion is 10, Span 20 has an HLB of 8.6, and Tween 80 has an HLB of 15?

V and W are finite dimensional inner product spaces,T: V→W is a linear map 1A: Give...

V and W are finite dimensional inner product spaces,T: V→W is a linear map 1A: Give an example of a map T from R2 to itself (with the usual inner product) such that〈Tv,v〉= 0 for every map. 1B: Suppose that V is a complex space. Show that〈Tu,w〉=(1/4)(〈T(u+w),u+w〉−〈T(u−w),u−w〉)+(1/4)i(〈T(u+iw),u+iw〉−〈T(u−iw),u−iw〉 1C: Suppose T is a linear operator on a complex space such that〈Tv,v〉= 0 for all v. Show that T= 0 (i.e. that Tv=0 for all v).

Consider the following clauses in a knowledge base: A v ~B ~W v B ~A W...

Consider the following clauses in a knowledge base: A v ~B ~W v B ~A W v B v M Using this knowledge-base of clauses, Show by a resolution-refutation proof that proposition M is true. Show by resolution inference and the direct proof method that the proposition M is true.

1. You need 100 mL of 10% (W/V) CuSO4 (FW 160), but only CuSO4 * H2O...

1. You need 100 mL of 10% (W/V) CuSO4 (FW 160), but only CuSO4 * H2O is available. 2. A procedure requires the use of a 10% (W/V) sodium carbonate (FW 106). Prepare 200 mL using the monohydrate form. 3. Prepare 1 mmol/L Lithium standard from lithium carbonate (Li2CO3). Give the quantity in mg/L.

Rx: Pilocarpine nitrate 2% (w/v) Boric acid q.s. Rx Sterile water for injection q.s 20 mL...

Rx: Pilocarpine nitrate 2% (w/v) Boric acid q.s. Rx Sterile water for injection q.s 20 mL Sig: One (1) gtt OU t.i.d.. How much boric acid (in milligrams) is needed to make this prescription isotonic? (E-value pilocarpine nitrate = 0.23, E-value boric acid = 0.52). Round your answer to the nearest whole number.

Consider a list called A: A = [-6, 10, 100, 5, -20, 1000, 9, -15] Make...

Consider a list called A: A = [-6, 10, 100, 5, -20, 1000, 9, -15] Make a for loop that iterates over A and: If number is negative, print the square of the number. if number is positive but less than or equal to 100, print the number itself. if number is positive but greater than 100, print 0.