Related Questions

The increase in the temperature of the aqueous solution will result in decrease of its
A Weight % of the solute
B Mole fraction of the solute
C Molarity
D Molality
Solution X contains 7% (by weight) of liquid M and solution Y contains 14.5% (by weight) of liquid M. If 3 grams of solution X is mixed with 2 grams of solution Y, then liquid M accounts for what percent of the weight of the resulting solution?
A 6.09%
B 10%
C 10.75%
D 21.5%
100 kg of solution A is mixed with 60 kg of solution B . If solution A has tin and copper in the ratio 1: 4 and solution B has lead and tin in the ratio 3 :2 then what is the amount of tin in the new solution?
A 70 kg
B 36 kg
C 44 kg
D 56 kg
Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
A 600
B 800
C 300
D 250
E None of these
In the decade there has been significant decrease in coffee consumption.During this same time, there has been increasing publicity about the caffeine in coffee's adverse long term effects on health. Therefore, the decrease in coffee consumption must have been caused by consumer's awareness of the harmful caffeine. Which of the following, if true,most seriously calls into question the explanation above ?
A On average,people consume 30% less coffee today than they did 10 years ago
B Sales of specialty types of coffee have held steady as sales of regular brands have declined
C The consumption of fruit juice and caffeine-free herbal tea has increased over the decade
D Coffee prices increased steadily in the past decade because of unusually severs frosts in coffee-growing nation's.
Increasing the field or increasing the current will decrease the force on the conductor.
A Yes
B No
0.98 g H2SO4 ব্যবহার করে 1.0 L জলীয় দ্রবণ তৈরি করা হোল। দ্রবণটির ঘনমাত্রা কত? (1.0 L aqueous solution is prepared using 0.98 g of H2SO4 What is the concentration of the solution?)
A 0.1 M
B 0.01 M
0.98 g H2SO4 ব্যবহার করে 1.0 L জলীয় দ্রবণ তৈরি করা হল। দ্রবণটির ঘনমাত্রা কত? (1.0 L aqueous solution is prepared using 0.98 g of H2SO4,. What is the concentration of the solution?
A 0.1 M
B 0.01 M
Increasing the original price of an item by 15 percent and then increasing the new price by another 15 percent is equivalent to increasing the original price by
A 32.25%
B 31.00%
C 30.25%
D 35.54%
Increasing the original price of an article by 15 percent and then increasing the new price by 15 percent is equivalent to increasing the original price by --
A 32.25%
B 31.00%
C 30.25%
D 30.00%

Next steps