Ben wants to bake a cake. His recipe calls for a solution of one teaspoon of baking soda dissolved in 100mL of water to be added to the rest of the mixture. Use the data given below to answer the question that follows.
Ben uses tap water having a temperature of 20º C.
The teaspoon contains 5mL.
2.2 g of baking soda is present in 1mL
Solubility of baking soda at different teperatures is given in the table below.
TEMPERATURE (ºC)▬BAKING SODA (g)
0ºC▬6.9g
10ºC▬8.2g
20ºC▬9.6g
30ºC▬11.1g
40ºC▬12.7g
50ºC▬14.5g
60ºC▬16.4g
Will Ben be able to make his cake under the given conditions? Give reason.
2007-08-14 03:44:14 · 2 answers · asked by that's me™ 1 in Science & Mathematics ➔ Mathematics
1 teaspoon = 5ml. 2.2g = 1ml
therefore 5ml x 2.2 g = 11g
11g need water with temparature of 30C
Ben uses tap water with temperature of 20C.
So Ben won't be successful in making his cake under this conditions. He needs to have warm water with 30C in order to make his cake.
2007-08-14 03:56:40 · answer #1 · answered by dinski_99 3 · 0⤊ 0⤋
Yes, he just needs to warm the tap water to 30 C and all the baking soda (11.1 g) will dissolve), if the data given represents the solubility in grams per 100 mL of water.
2007-08-14 10:50:12 · answer #2 · answered by Swamy 7 · 1⤊ 1⤋