30g of sugar, 2 g of salt and 4g Lime juice are mixed with 100 g of water to make lemmonade solution. What is the percent mass of sugar in the lemonade solution? a. 30 x 100
b. 4/136 x 100
c. 30/ 136 x 100
d. 30/36 x 100

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

When the water vapor cools it condenses select a number that represents his process on the

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?