Calculate how many grams of glucose would be required
1)Calculate how many grams of glucose would be required to prepare 400 ml of a 0.36M solution. MW= 180.
2)You have 100X stock of a buffer. You need 100 mL of 1X buffer. How much buffer solution do you use? How much water?
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A box contains 2 red, and 3 white, and 5 green balls. Two balls are drawn out of the box in succession without replacement.
Find the probability of (a) at least 2 orders for letterhead arriving tomorrow, (b) no orders in the next 2 days. (c) Find the expected number of orders in the next 30 working days. (d) What is the probability that the time between two orders is l
Lactic acid, CH3CH(OH)COOH, has a Ka value of 1.4x10-4. How many grams of lactic acid must be added to make 197.0 mL of solution with a pH of 2.17?
However, for her pay, she receives $8 per day from her employer plus $.07 commission on each ice cream sale. Find (a) her expected daily profit, and (b) the standard deviation of her daily profit
Calculate how many grams of glucose would be required to prepare 400 ml of a 0.36M solution. MW= 180.You have 100X stock of a buffer. You need 100 mL of 1X buffer. How much buffer solution do you use? How much water?
How many mL of concentrated HCl would be necessary to prepare 50.0ml of a 10.0 % HCl solution? Concentration HCl acid is listed as 38.0% w/w. What is the other 62.0% of the concentrated HCl solution?
The kinetic model of gases assumes the average nearest distances between 2 molecule in the gas is much greater than the size of the individual molecules making up the gas.
At the angle determined above the mass begins to move down the incline and experiences a frictional force. If the net acceleration of the mass down the incline is 1.2 m/s2, what is the coefficient of kinetic friction µk of the surface?
How many seconds are there in a solar year (365.24 days), expresses in the correct number of significant figures. 60 sec. Per min, 60 min per hr, and 24 hours per day.
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