20)=5.18=90(g)
44.9
The atomic mass of CuSO4 is 159.61 g/mol, and that of 5 H2O is 90.08 g/mol. To find the percentage of water, we calculate (90.08 g/mol / (90.08 g/mol + 159.61 g/mol)) * 100, which is approximately 36.1%. So, the crystal contains around 36.1% water to the nearest tenth.
43.7
The compound NiSO4·7H2O consists of one NiSO4 molecule and seven water molecules. The percentage of water can be calculated by dividing the molar mass of water by the molar mass of the whole compound, and then multiplying by 100. This results in about 37.2% water in NiSO4·7H2O.
The compound Ba(OH)2·8H2O has 8 water molecules associated with it. To find the percentage of water in the compound, calculate the molar mass of the water molecules (8H2O) and the molar mass of the entire compound (Ba(OH)2·8H2O). Then divide the molar mass of the water by the molar mass of the entire compound and multiply by 100 to get the percentage of water.
typically only one-tenth of the volume of an iceberg is above water.
2.4 or 2.40 liters each dayThis is the A+ answer :)
Water that is an integral part of the crystal structure is referred to as water of crystallization. This water is bound within the crystal lattice and is essential for maintaining the crystal structure.
2.4 rounding to the nearest tenth... 2.0 liters.
water, water is the liquid crystal theory
To make a crystal disappear in water, you can crush the crystal into a fine powder so that it dissolves quickly in the water. As the crystal dissolves, it will become less visible. Alternatively, you can heat the crystal until it melts and then mix it into the water until it dissolves completely.
im prety sure water turns in crystal at 300